Treatment FAQ

how long before paracardititas responds to treatment

by Mr. Bradley Larson Published 3 years ago Updated 2 years ago
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Pericarditis is an inflammation of the pericardium. Pericarditis is usually acute – it develops suddenly and may last up to several months. The condition usually clears up after 3 months, but sometimes attacks can come and go for years.May 3, 2019

How long does it take pericarditis to clear up?

Depending on the cause of your pericarditis, you may need an antibiotic or antifungal medication. If your symptoms are severe, last longer than 2 weeks, or clear up and then return, your doctor may also prescribe an anti-inflammatory drug called colchicine.

When are adjunctive therapies indicated in the treatment of pericardial effusion?

Pericarditis can recur in up to 30% of patients within 1.5 years, and in ∼55% of those with a previous recurrence. 7,8 The adjunctive use of colchicine in acute pericarditis for 3 months at a …

When should indomethacin be taper off for pericarditis?

 · Appropriate therapy for acute idiopathic pericarditis is an NSAID for ≈2 weeks, and it is also reasonable to prescribe colchicine for up to 3 months (the duration used in clinical …

When to stop taking colchicine for pericarditis?

 · Recurrent pericarditis may occur in up to 30% of patients after an initial episode of acute pericarditis. Treatment should consist of an NSAID, typically with a 2- to 4-week taper …

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How long does pericarditis take to resolve?

Symptoms of acute pericarditis can last from one to three weeks. Chronic pericarditis lasts three months or longer.

How long does inflammation from pericarditis last?

Incessant pericarditis lasts about four to six weeks but less than three months. The symptoms are continuous. Chronic constrictive pericarditis usually develops slowly and lasts longer than three months.

How long does it take colchicine to work for pericarditis?

Addition of colchicine to standard therapy results in earlier reduction in pericarditis symptoms, greater remission at 1 week, and reduces the rate of recurrent pericarditis.

What happens if pericarditis doesn't go away?

Complications. Often pericarditis will go away on its own in a period of days to weeks or even months. If it is left untreated however, it can cause complications. Constrictive pericarditis is caused by permanent thickening and scarring of the pericardium.

Should you rest with pericarditis?

Most cases of pericarditis are mild; they clear up on their own or with rest and simple treatment. Other times, more intense treatment is needed to prevent complications. Treatment may include medicines and, less often, procedures or surgery.

How do you get rid of pericarditis fast?

TreatmentPain relievers. Pericarditis pain can usually be treated with over-the-counter pain relievers, such as aspirin or ibuprofen (Advil, Motrin IB, others). ... Colchicine (Colcrys, Mitigare). This drug reduces inflammation in the body. ... Corticosteroids. Corticosteroids are strong medications that fight inflammation.

Does colchicine work right away?

Colchicine can affect the way your white blood cells work. This helps to reduce the inflammation that can cause symptoms. Colchicine starts to work after around 30 minutes to 2 hours. However, it may take a day or two before you notice your inflammation and pain starts to get better.

Does colchicine cure pericarditis?

Colchicine has since been the focus of many observational and randomized studies for pericardial diseases. In fact, it is now a class IA medication to treat acute and recurrent pericarditis. Despite the gastrointestinal possible side-effects, colchicine is considered a safe anti-inflammatory drug.

Is it OK to exercise with pericarditis?

Current U.S. guidelines recommend exercise avoidance in individuals during active pericarditis with return to exercise after complete resolution of active disease.

What is the death rate of pericarditis?

The in-hospital mortality rate for acute pericarditis was 1.1% (95% CI, 0.6%–1.8%).

Why do I keep getting pericarditis?

The cause of pericarditis is often unknown, though viral infections are a common reason. Pericarditis may occur after a respiratory or digestive system infection. Chronic and recurring pericarditis may be caused by autoimmune disorders such as lupus, scleroderma and rheumatoid arthritis.

What Are The Symptoms of Pericarditis?

Pericarditis can cause chest pain that: 1. Is sharp and stabbing (caused by the heart rubbing against the pericardium) 2. May get worse when you co...

Pericardial Effusion and Cardiac Tamponade

When there is a fluid build-up in the space between the pericardium, it can cause a condition called pericardial effusion. If the fluid builds up q...

What Causes Pericarditis?

There are many causes of pericarditis: 1. Viral pericarditis is caused by a complication of a viral infection, most often a gastrointestinal virus....

How long does it take for pericarditis to develop after surgery?

It can sometimes take several weeks for symptoms of pericarditis to develop after bypass surgery.

What to do if you have pericarditis?

If you have any symptoms of acute pericarditis, call your doctor right away . If you feel your symptoms are a medical emergency, call 911 right away to get treatment at the nearest hospital.

What is it called when the pericardial membrane is red?

Sometimes there is extra fluid in the space between the pericardial layers, which is called pericardial effusion. Pericarditis can affect anyone, but it is most common in men aged 16 to 65.

What is the difference between pericarditis and pericarditis?

Viral pericarditis is caused by a complication of a viral infection, most often a gastrointestinal virus. Bacterial pericarditis is caused by a bacterial infection, including tuberculosis. Fungal pericarditis is caused by a fungal infection. Parasitic pericarditis is caused by an infection from a parasite.

What is the procedure to drain fluid from the pericardium?

A long, thin tube called a catheter is used to drain the extra fluid. The catheter and a needle are guided to the pericardium with the use of echocardiography. If the fluid cannot be drained with the needle, a surgical procedure called a pericardial window is performed.

What is the purpose of a CT scan for constrictive pericarditis?

CT scan to look for calcium in the pericardium, fluid, inflammation, tumors and disease of the areas around the heart. Iodine dye is used during the test to get more information about the inflammation. This is an important test for patients who may need surgery for constrictive pericarditis.

What is the best treatment for acute pericarditis?

Treatment for acute pericarditis may include medication for pain and inflammation, such as ibuprofen and aspirin. Depending on the cause of your pericarditis, you may need an antibiotic or antifungal medication.

How long does pericarditis last?

The task force suggests that the term 'acute' should be adopted for new-onset pericarditis, 'incessant' for pericarditis with symptoms persisting for four to six weeks, and 'chronic' for pericarditis lasting more than three months [3]. Recurrent pericarditis is diagnosed with a documented first episode of acute pericarditis, a symptom-free interval of four to six weeks or longer and evidence of subsequent recurrence of pericarditis. The recurrence rate after an initial episode of pericarditis ranges from 15 to 30%, and may increase to 50% after a first recurrence in patients not treated with colchicine, particularly if treated with corticosteroids [15].

What is the first line of treatment for acute pericarditis?

Aspirin or NSAIDs are recommended as first-line therapy for acute pericarditis with gastroprotection.

What is the proposed triage of acute pericarditis?

Proposed triage of acute pericarditis according to epidemiological background and predictors of poor prognosis at presentation (at least one predictor of poor prognosis is sufficient to identify a high-risk case). Major criteria have been validated by multivariate analysis, minor criteria are based on expert opinion and literature review. Cases with moderate risk are defined as those without a negative prognostic predictor, but incomplete or lacking response to NSAIDs therapy. Low risk includes those without a negative prognostic predictor and good response to NSAIDs therapy. Specific aetiology is intended as non-idiopathic.

Can chest radiation cause pericarditis?

Chest radiation is an important cause of pericardial disease [1]. Soon after radiation, the patient may develop acute pericarditis with or without effusion. Recommendations for the prevention and management include radiation therapy methods that reduce both volume and dose of cardiac irradiation whenever possible, and consideration for pericardiotomy due to radiation-induced constrictive pericarditis [3]. The outcome of pericardiotomy is not satisfactory other than when performed for constrictive pericarditis of other causes because of co-existing myopathy.

Is pericarditis a manifestation of Lupus erythematosus?

Acute pericarditis could be the first manifestation of systemic lupus erythematosus. Pericardial involvement is common in Sjögren’s syndrome, rheumatoid arthritis and sclerodermia, but may also be present in systemic vasculitis, Behçet’s syndrome, sarcoidosis and inflammatory bowel diseases.

Can pericardial effusions recur?

Purulent pericardial effusions are likely to recur [1]. Surgical drainage with construction of a window is often needed. In patients with thick, purulent effusions and dense adhesions, extensive pericardiectomy may be required to achieve adequate drainage and to prevent the development of constriction. Early surgical drainage may also help prevent late constriction. Intrapericardial streptokinase has been administered to selected patients with purulent or loculated effusions and may obviate the need for a window [9]. The prognosis of bacterial pericarditis is poor with survival in the range of 30%, even in modern series [3].

Is pericarditis a disease?

Bacterial pericarditis is relatively uncommon in clinical practice in developed countries with a low prevalence of TB. Tuberculous pericarditis is the most common form all over the world and the most common cause of pericardial diseases in developing countries [1].

What is the pericardial sac?

The pericardial sac is made up of an inner mesothelial layer which covers the heart (visceral) and lines an outer fibrous layer onto which the mesothelium reflects (parietal layer). It produces up to 50 mL of fluid which serves to lubricate the motion of the heart, and overall serves to prevent excessive cardiac motion and anchor it in the mediastinum. Pericardial disease results from inflammation of the pericardium, which in turn can give rise to an effusion; and rigidity of the pericardium giving rise to the constriction syndrome. The visceral pericardium is innervated by branches of the sympathetic trunk which carry afferent pain fibres in a cardiac distribution and the vagus which may trigger vagally mediated reflexes in acute pericarditis. In contrast, the parietal and fibrous pericardium are innervated by somatosensory branches of the phrenic nerve which can give rise to referred pain to the shoulder.

What temperature should a fever be in an inpatient evaluation?

Inpatient investigation and more intensive evaluation for a non-viral aetiology should be considered where there is any fever >38°C; gradual onset; large effusion (>20 mm) or tamponade; lack of response to 1 week of non-steroidal anti-inflammatory drugs or where there is any history of trauma, immunosuppression/deficiency or oral anticoagulant use.

Is constriction a long term sequelae?

The prognosis of idiopathic acute pericarditis is generally excellent with a very low risk of long-term sequelae such as constriction (<0.5%).17,18The likelihood of the latter is related to the aetiology of pericarditis rather than the number of episodes. Constriction presents with signs and symptoms of heart failure (shortness of breath, fatigue, oedema/ascites) but with normal ejection fraction on echo and often normal or minimally elevated brain natriuretic peptide.19,20Constriction is more likely to occur following pericarditis triggered by tuberculosis/bacterial infection, trauma, and cardiac surgery. The prognosis of myopericarditis mirrors that of pericarditis given the large overlap in aetiology, particularly when left ventricular function is preserved.

Can corticosteroids be used for pericarditis?

Corticosteroids should not be used as first-line agents for idiopathic acute pericarditis but may have a role as adjunctive therapy for cases of recurrent disease and where there is an underlying autoimmune rheumatic disease.

Is colchicine prescribed for acute pericarditis?

Practical prescribing of colchicine for acute pericarditis

What to do if you have pericarditis that doesn't respond to home treatment?

If you have a prolonged bout of pericarditis that doesn’t respond to home treatment or you suspect you may have the condition, schedule an appointment with your doctor. Explain to the staff why you are calling so that they can accommodate you quickly.

How to stop pericarditis from hurting?

If you suspect that you are having an attack of pericarditis, sit down until the pain eases. Avoid any strenuous activity until you feel better, which can prevent a further attack.

How to treat pericarditis pain?

This can minimize pain and inflammation until the pericarditis subsides. Anti-inflammatory pain relievers such as aspirin and ibuprofen are most often used to ease the discomfort of pericarditis. [6]

What is the best pain reliever for pericarditis?

This can minimize pain and inflammation until the pericarditis subsides. Anti-inflammatory pain relievers such as aspirin and ibuprofen are most often used to ease the discomfort of pericarditis.

What is the swelling of the pericardium?

Pericarditis is swelling or inflammation of the pericardium, which is the two thin sac-like layers of tissue surrounding the heart. The pericardium holds the heart in place and helps it function properly. [1]

What is constrictive pericarditis?

Constrictive pericarditis is chronic inflammation of the pericardium with thickening and scarring. [16]

How do you know if you have pericarditis?

Most pericarditis attacks come on quickly and do not usually last long. The most common symptom is a sharp, stabbing chest pain that may be in the middle or left side of your chest. The pain may also be in one or both shoulders or feel like a heart attack.

How long does it take for pericarditis to improve?

Most patients with idiopathic pericarditis experience self-limited symptoms that improve spontaneously within days to weeks. More rapid relief can be achieved with pharmacological intervention, and stable patients can be managed in the outpatient setting.

How long does colchicine help with pericarditis?

Appropriate therapy for acute idiopathic pericarditis is an NSAID for ≈2 weeks, and it is also reasonable to prescribe colchicine for up to 3 months (the duration used in clinical trials), especially to reduce the rate of recurrence. For initially refractory symptoms, the parenteral NSAID ketorolac may be beneficial. For recurrent episodes of pericarditis, treatment with an NSAID plus colchicine is recommended, but for a more prolonged course. During NSAID treatment, concurrent gastric protection therapy should be considered. Only for truly refractory cases should glucocorticoid therapy be used.

Can glucocorticoids be used for pericarditis?

Steroid therapy has long been used to treat pericarditis because it induces prompt symptomatic relief; however, glucocorticoids should not be used as primary therapy in uncomplicated acute idiopathic pericarditis because of a high rate of relapse when the steroid is tapered or stopped. 4, 12, 13 Glucocorticoids also appear to blunt the efficacy of colchicine in preventing recurrences. 14 As a result, and owing to the side effects associated with long-term steroid therapy, glucocorticoids should only be prescribed to patients with idiopathic pericarditis who are refractory to treatment with, or intolerant of, an NSAID plus colchicine. 4

Is colchicine safe for pericarditis?

11 Consensus opinion in the 2004 European Society of Cardiology guidelines listed colchicine as effective in recurrent pericarditis, and probably in acute pericarditis, for which it was assigned a class IIa indication. 4 Subsequent prospective trials have provided additional evidence. In the open-label Colchicine in Acute Pericarditis (COPE) trial, 120 patients with a first episode of acute pericarditis were randomized to receive colchicine (0.5–1.0 mg daily for 3 months after 1–2 mg on the first day) plus aspirin (800 mg every 6–8 hours for 7–10 days, then tapered over 3–4 weeks) or aspirin alone. 12 The rate of recurrent pericarditis over the subsequent 18 months was 32.3% in the aspirin group but only 10.7% in those who received colchicine plus aspirin ( P =0.004). In addition, whereas 36.7% of patients in the aspirin group were still symptomatic at 72 hours after presentation, only 11.7% of those who also received colchicine remained symptomatic ( P =0.003).

How long did ibuprofen last for a pleuritic chest pain?

He was diagnosed with acute pericarditis, and the symptoms responded promptly to oral ibuprofen, continued for 2 weeks. Six weeks later, he redeveloped pleuritic chest pain and clinical and ECG findings identical to the initial presentation. His primary care physician asks for advice about appropriate therapy.

Is ketorolac an NSAID?

No single NSAID appears to be more effective than another in acute pericarditis, and in addition to oral agents, the parenteral NSAID ketorolac was shown to rapidly relieve symptoms in an uncontrolled trial. 8 Aspirin is the preferred anti-inflammatory agent for patients with pericarditis after myocardial infarction because other NSAIDs have delayed infarct healing in animal models 9 and are associated with an increased risk of future coronary events in this population. 10

Does aspirin cause pericarditis?

A rapid response to aspirin or other NSAID therapy predicts a favorable prognosis in acute pericarditis and an unlikely progression to complications such as pericardial constriction. 3 However, if chest discomfort or fever persists >1 week, or a new or larger pericardial effusion develops during therapy, a cause of pericarditis other than postviral/idiopathic should be suspected. In the report of 254 patients with acute pericarditis treated as outpatients with aspirin, 61% of those with symptoms who did not respond by 7 days of therapy were ultimately found not to have idiopathic pericarditis. Forty-three percent were determined to have autoimmune conditions, and 18% had tuberculosis. 5

How long does it take for pericarditis to heal?

Acute pericarditis should be treated with a nonsteroidal anti-inflammatory drug (NSAID), typically with a 2- to 4-week taper after the resolution of symptoms. In addition, a 3-month course of colchicine (with weight-adjusted dosing) is recommended to reduce the risk of recurrent pericarditis. Strenuous activity should be avoided.

When is a course of anti-inflammatory therapy indicated?

When there is evidence of inflammatory constrictive pericarditis, a course of anti-inflammatory therapy is indicated, in addition to cautious diuresis in patients with evidence of volume overload. When the constrictive process is chronic, without evidence for active inflammation, radial pericardiectomy may be required.

What are the criteria for pericarditis?

The diagnosis of acute pericarditis should be based on the presence of at least two of the following four criteria: 1) characteristic chest pain, 2) pericardial friction rub, 3) characteristic electrocardiographic changes, and 4) new or worsening pericardial effusion. Laboratory workup, including assessment for inflammation and myocardial damage, is also recommended. Cardiac magnetic resonance (CMR) may be helpful when the diagnosis is uncertain, echocardiographic imaging is challenging, or myocardial involvement is suspected.

Can pericarditis be managed in the outpatient setting?

Most cases of pericarditis may be managed in the outpatient setting. Patients with one of the following high-risk features, however, should be admitted to the hospital for treatment: high fever (>38°C), subacute onset, large pericardial effusion or tamponade, lack of response to anti-inflammatory therapy after 1 week of treatment, and evidence for myocardial involvement. Additional predictors of elevated risk include immunosuppression, oral anticoagulation, and trauma.

Is purulent pericarditis life threatening?

Purulent pericarditis is a rare but potentially life-threatening disease. It requires specific antimicrobial treatment according to the causative etiologic agent, along with pericardial drainage.

Can corticosteroids be used for autoimmune disease?

Corticosteroids have been associated with a more prolonged disease course and a higher risk of recurrence. Accordingly, their use (at low doses) should be reserved for patients unable to take NSAID therapy or for those with specific indications (e.g., autoimmu ne disease, pregnancy, or immune checkpoint inhibitor-associated pericarditis).

Is constrictive pericarditis a complication of pericardial disease?

Constrictive pericarditis is a possible complication of nearly any pericardial disease process. Diagnosis may be challenging, and rests on integration of bedside features with characteristic echocardiographic findings. CMR is helpful to confirm the diagnosis and to assess for pericardial inflammation (shown by late gadolinium enhancement of the pericardium). Complex hemodynamic catheterization may be necessary when the noninvasive assessment is inconclusive.

How long does it take for pericarditis to resolve?

7 Patients with presumed viral or idiopathic pericarditis should start on NSAIDs and continue until symptom resolution, which usually takes two weeks. 22 Although many different NSAIDs are available, there is no evidence that any particular one is superior to another for treating acute pericarditis. However, the preferred agent to treat acute pericarditis caused by MI is aspirin in a dosage of 650 to 1,000 mg four times per day with a taper over four weeks. 6, 10

When should transthoracic echocardiography be performed?

Transthoracic echocardiography should be performed in all patients with suspected acute pericarditis to exclude pericardial effusion and cardiac tamponade.

What is pericarditis in men?

Acute pericarditis, inflammation of the pericardium, is found in approximately 5% of patients admitted to the emergency department for chest pain unrelated to acute myocardial infarction. It occurs most often in men 20 to 50 years of age. Acute pericarditis has a number of potential etiologies including infection, acute myocardial infarction, ...

What is the pain of pericarditis?

In more than 95% of cases, patients with acute pericarditis present with acute retrosternal, sharp, pleuritic chest pain that varies in severity. 10 The pain may radiate into the neck, jaw, or arms, similar to an MI. In contrast to the pain from myocardial ischemia, chest pain from acute pericarditis is exacerbated in the supine position, by coughing, and with inspiration. The pain usually improves in the seated position or by leaning forward, which reduces pressure on the parietal pericardium, but it is not relieved with nitrates. 2 Acute chest pain may or may not occur in patients with uremic pericarditis or pericarditis associated with rheumatologic disorders, although pleuritic chest pain may be the initial presentation of systemic lupus erythematosus. Dull, oppressive chest pain radiating to the trapezius ridges or shoulders may occur with acute pericarditis, making it difficult to differentiate from other common or life-threatening causes of chest pain, such as MI or aortic dissection ( Tables 3 11 and 4 9).

What should be included in pericarditis evaluation?

Evaluation of patients with acute pericarditis should include a history, physical examination, electrocardiography, chest radiography, and baseline laboratory studies (i.e., complete blood count, basic metabolic panel, troponin-I and creatine kinase levels, erythrocyte sedimentation rate, and serum C-reactive protein levels). Additional laboratory testing and imaging are dictated by clinical presentation and risk factors.

What is the most common affliction of the pericardium?

Acute pericarditis is the most common affliction of the pericardium. It is diagnosed in approximately 0.1% of patients hospitalized for chest pain and in 5% of patients admitted to the emergency department for chest pain unrelated to acute myocardial infarction (MI). 1 Although acute pericarditis occurs in all age groups and in men and women, ...

What is a glucocorticoid?

Glucocorticoids are traditionally reserved for severe or refractory cases, or in cases when the cause of pericarditis is likely connective tissue disease, autoreactivity, or uremia. Cardiology consultation is recommended for patients with severe disease, those with pericarditis refractory to empiric treatment, and those with unclear etiologies. ...

What percentage of patients with pericarditis are not treated with colchicine?

Approximately 15 to 30 percent of patients with idiopathic acute pericarditis who are not treated with colchicine develop either recurrent or incessant disease. Immune mechanisms appear to be of primary importance in the majority of cases, and the term "chronic autoreactive" pericarditis has been used.

What is pericarditis management?

● In cases of pericarditis due to an identifiable cause (eg, bacterial infection or malignancy), management is focused upon the underlying disorder and, if necessary, drainage of an associated pericardial effusion. (See 'Treatment' above.)

What are the risk factors for recurrent pericarditis?

Risk factors for recurrent pericarditis include lack of response to nonsteroidal anti-inflammatory drugs, the need for corticosteroid therapy, and creation of a pericardial window. The pathogenesis, course, and treatment of recurrent pericarditis are discussed separately. (See "Recurrent pericarditis" .)

What percentage of patients with autoimmune disease do not respond to aspirin?

By contrast, among the patients who did not respond to aspirin after seven days, only 39 percent were deemed idiopathic, while 43 percent were diagnosed with an autoimmune disorder and 18 percent with tuberculous pericarditis.

How long does colchicine last?

Colchicine should be administered for a total of three months for patients with an initial episode of acute pericarditis. In ICAP, colchicine was given without a loading dose as 0.5 mg twice daily for three months for patients weighing >70 kg or 0.5 mg once daily for patients weighing ≤70 kg.

Can glucocorticoids be used for pericarditis?

Glucocorticoids — Glucocorticoids should be used for initial treatment of acute pericarditis only in patients with contraindications to NSAIDs, or for specific indications (ie, systemic inflammatory diseases, pregnancy, and possibly renal failure), and should be used at the lowest effective dose.

Does colchicine help with pericarditis?

While the majority of patients have prompt resolution of symptoms without recurrent pericarditis when treated with NSAIDS alone, colchicine, when used as an adjunct to NSAID therapy, reduces symptoms, decreases the rate of recurrent pericarditis, and is generally well tolerated.

How to prevent pericarditis?

The following can help prevent the spread of viruses and bacteria that can cause acute pericarditis or make it worse: Wash your hands often. Wash your hands several times each day. Wash after you use the bathroom, change a child's diaper, and before you prepare or eat food. Use soap and water every time.

What is the pericardium?

WHAT YOU NEED TO KNOW: Acute pericarditis is inflammation of the pericardium. The pericardium is the thin sac that surrounds your heart. A small amount of clear fluid between the heart and the sac allows the heart to beat easily. With acute pericarditis, the amount of fluid increases and may contain pus. This can lead to problems ...

Can acute pericarditis be used for commercial purposes?

Acute Pericarditis (Aftercare Instructions) - What You Need to Know. This material must not be used for commercial purposes, or in any hospital or medical facility. Failure to comply may result in legal action.

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Keywords

Medically reviewed by
Dr. Kabir Sethi
Inflammation of the pericardium (thin membrane around heart) causing chest pain.
Condition Highlight
Urgent medical attention is usually recommended in severe cases by healthcare providers
Condition Highlight
Can be dangerous or life threatening if untreated
How common is condition?
Common (More than 200,000 cases per year in US)
Is condition treatable?
Treatable by a medical professional
Does diagnosis require lab test or imaging?
Often requires lab test or imaging
Time taken for recovery
Can last several months or years
Condition Highlight
Family history may increase likelihood for some types
Condition Image

Introduction

General Recommendations, Physical Activity and Lifestyle Changes

Prognosis

Pharmacologic Therapy For Acute Pericarditis

Management of Incessant and Recurrent Pericarditis

Management of Specific Forms of Acute Pericarditis

Conclusion

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 1 2 3 4 5 6 7 8 9