Pulmonary Arterial Hypertension (PAH) as the Initial Manifestation of Systematic Lupus Erythematosus (SLE): A Rare Presentation.

Pulmonary arterial hypertension (PAH) is an uncommon manifestation of systemic lupus erythematosus (SLE), affecting about 0.5% to 23.3% of the population worldwide.

Rare Presentations of Sarcoidosis: A Case Series.

Sarcoidosis is a systemic disease of unknown etiology with multi-system affection. It typically involves the skin, eyes, hilar lymph nodes, and pulmonary parenchyma. However, as any organ system could be involved, one has to be aware of its atypical manifestations.

Disseminated Intravascular Coagulation Manifesting as Diffuse Alveolar Hemorrhage in a Scrub Typhus Patient: A Rarely Thought of Complication.

Scrub typhus is a common cause of an acute, unexplained febrile illness. Without proper treatment, it can lead to life-threatening complications and even death. We present the case of a 16-year-old girl who presented with complaints of fever with reddish spots all over her body for 10 days and breathing difficulty for three days.

A Case Report of Cyanosis With Refractory Hypoxemia: Is It Methemoglobinemia?

Dapsone is used in the treatment of a variety of dermatological conditions and prophylaxis of opportunistic infections. However, if consumed at a dose of more than 200 mg/day, it can cause methemoglobinemia, a condition characterized by elevated methemoglobin levels in the blood; methemoglobin is an abnormal form of hemoglobin, containing iron in the ferric state (Fe ) rather than the reduced ferrous form (Fe ) found in hemoglobin. A small amount of it is produced in the body due to oxidant damage to the red blood cells.