An acute pulmonary embolism occurs when a blood clot blocks one or more vessels in the lung. In patients at moderate or high risk, the blockage can impair the heart's ability to pump blood through the ...

This Journal feature begins with a case vignette highlighting a common clinical problem. Evidence supporting various strategies is then presented, followed by a review of formal guidelines, when they ...

Pulmonary arterial hypertension, or PAH, is a rare and severe disease characterized by elevated blood pressure in the pulmonary arteries, which transport blood from the heart to the lungs. This can ...

Pulmonic regurgitation is when blood leaks back into the heart from the pulmonary artery due to weakness in the pulmonary valve. It happens when a pulmonary valve does not close properly. The ...

The outlook for people with pulmonary atresia, a congenital heart defect that blocks blood flow to the lungs, has significantly improved with recent medical advancements. Pulmonary atresia presents a ...

Pulmonary arterial hypertension is a progressive disease involving proliferative remodeling of the pulmonary vessels. Despite therapeutic advances, the disease-associated morbidity and mortality ...

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Introduction Interstitial lung disease (ILD) is a serious extra-articular manifestation of rheumatoid arthritis (RA) ...

A subsegmental pulmonary embolism is a blood clot located on a distal, or distant and less central, branch of the pulmonary arteries. Treatment can depend on symptoms and risk factors. A subsegmental ...

Pulmonary atresia is a congential condition (a condition present at birth) that affects a newborn’s heart. It limits blood flow from the heart to the lungs. A baby with this condition may need surgery ...