Tuberculous pericarditis differential diagnosis

Written by Xiong Hong Hai

Infectious Disease

Updated on September 21, 2024

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The differential diagnosis of tuberculous pericarditis requires differentiation from other types of pericardial inflammation, such as bacterial pericarditis and nonspecific infections that lead to cellular inflammation of the pericardium. In addition to infections that can cause pericarditis, other infectious diseases such as subacute endocarditis and infections caused by other microbes can also lead to pericarditis. Furthermore, some rheumatic autoimmune diseases can also present with pericarditis. It is necessary to perform pericardiocentesis and fluid examination to determine the specific cause.

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Written by Liu Yong

Cardiology

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Constrictive pericarditis causes hepatomegaly.

The so-called constrictive pericarditis refers to the presence of fibrotic calcifications and fibrotic hyperplasia in the pericardium, which severely affects the diastolic function of the heart. Once the diastolic function of the heart is compromised, the return flow of venous blood becomes severely obstructed, leading to congestion of the liver. Therefore, once congestion of the liver and spleen occurs, enlargement of the liver can occur, and in severe cases, it can lead to systemic edema, including ascites and similar conditions. Thus, the basic principle behind the enlargement of the liver in constrictive pericarditis is as such. Especially in such cases, patients will experience severe dietary problems, including poor appetite and indigestion, which further lead to low protein levels and malnutrition, exacerbating the enlargement of the liver and edema.

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Written by Liu Ying

Cardiology

1min 1sec

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Symptoms of acute pericarditis

Acute pericarditis is an acute inflammatory disease of the visceral and parietal layers of the pericardium, with the most common cause being viral infections. The hallmark of acute pericarditis is pain in the precardiac area behind the sternum. The nature of the pain is very sharp, typically occurring during the fibrinous exudation phase of inflammatory changes, caused by friction between the visceral and parietal layers of the pericardium. The pain can radiate to the neck, left shoulder, and even the upper abdomen. It is associated with respiratory movements and often worsens with coughing, deep breathing, or changing body positions. When fluid exudes into the pericardium, separating the visceral and parietal layers, the patient's pain may decrease or disappear. However, some patients may experience symptoms such as breathing difficulties and edema due to cardiac tamponade.

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Written by Liu Ying

Cardiology

1min 8sec

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What are the symptoms of acute pericarditis?

Acute pericarditis is an acute inflammatory disease of the visceral and parietal layers of the pericardium. The most common causes are viral infections and bacterial infections, but autoimmune diseases and uremia can also cause acute pericarditis. Characteristic pain behind the sternum or in the precordial area is common during the fibrinous exudative phase of the inflammation. This pain is associated with respiratory movements and often worsens with coughing, deep breathing, changes in body position, or swallowing. The nature of the pain is very sharp and can radiate to the neck, left shoulder, left arm, or even the upper abdomen. As the condition progresses, symptoms can shift from the fibrinous phase pain to dyspnea during the exudative phase. Some patients may develop significant pericardial effusion, leading to cardiac tamponade, and subsequently exhibit a range of related symptoms, including dyspnea and edema.

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Written by Tang Li

Cardiology

41sec

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What are the types of pericarditis?

Pericarditis includes primary infectious pericarditis, as well as non-infectious pericarditis caused by related diseases, such as tumors, metabolic diseases, autoimmune diseases, and uremia. Based on the progression of the condition, pericarditis can also be divided into acute pericarditis, with or without pericardial effusion, chronic pericarditis, adhesive pericarditis, subacute exudative constrictive pericarditis, and chronic constrictive pericarditis. Clinically, acute pericarditis and chronic constrictive pericarditis are the most common.

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Written by Tang Li

Cardiology

1min 42sec

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What are the symptoms of pericarditis?

Fibrinous pericarditis is primarily characterized by precordial pain, similar to that seen in acute nonspecific pericarditis and infectious pericarditis. Tuberculous or neoplastic pericarditis that develops slowly may not show obvious pain symptoms. The nature of the pain can be sharp and related to respiratory movements. It is often exacerbated by coughing, deep breathing, changing body position, or swallowing. The pain is located in the precordial area and may radiate to the neck, left shoulder, left arm, and left scapula, and can also reach the upper abdomen. The pain can be compressive and located behind the sternum. The most prominent symptom of exudative pericarditis is dyspnea, which may be associated with bronchopulmonary compression and pulmonary congestion. In severe cases of dyspnea, the patient may sit up to breathe, leaning forward, with rapid and shallow breathing and pale complexion. There may be hepatomegaly, as well as compression of the trachea and esophagus causing dry cough, hoarseness, and difficulty swallowing. Rapid pericardial effusion can lead to acute cardiac tamponade, presenting with significant tachycardia and decreased blood pressure. Reduced pulse pressure and increased venous pressure, if the cardiac output significantly drops, can lead to shock. If the fluid accumulates slowly, it could lead to subacute or chronic cardiac tamponade, characterized by systemic venous congestion and distended jugular veins.