THORAX ABDOMEN AND PELVIS

Detailed explanation-1: -Pericardial effusion can result from inflammation of the pericardium (pericarditis) after an illness or injury. In some settings, large effusions may be caused by certain cancers. A blockage of pericardial fluids or a collection of blood within the pericardium also can lead to this condition.

Detailed explanation-2: -Pericarditis is inflammation of the lining around the heart. The most common symptom of pericarditis is chest pain. Pericarditis can be uncomfortable but is not usually serious and most people recover within weeks.

Detailed explanation-3: -Pericarditis is often the result of an infection such as: Viral infections that cause a chest cold or pneumonia. Infections with bacteria (less common) Some fungal infections (rare)

Detailed explanation-4: -In most cases, inflammation of the sac, a condition called pericarditis, leads to the effusion. As it becomes inflamed, more fluid is produced. Viral infections are one of the main causes of the inflammation and the effusions it leads to.