Circulatory System

Hemophilia: Understanding the Rare Bleeding Disorder

Hemophilia is a rare, inherited bleeding disorder where the blood doesn't clot properly due to the absence or low levels of specific clotting factors....

Erythroblastosis Fetalis: When Immunity Turns Against the Fetus

Erythroblastosis Fetalis, also known as hemolytic disease of the fetus and newborn (HDFN), is a largely preventable condition. It’s a serious and potentially life-threatening...

Angioedema: What Triggers Swelling and How to Manage It

Angioedema is a condition where fluid builds up deep under your skin or inside your body, which results in sudden swelling. When angioedema involves...

Lupus Vasculitis: Causes, Symptoms, and Diagnosis

Lupus vasculitis is an inflammatory complication of systemic lupus erythematosus or SLE. It occurs when your body’s immune system mistakenly causes inflammation in your...

Blue Baby Syndrome: Causes, Signs, and Prevention

Blue baby syndrome, also referred to as infant methemoglobinemia (when caused by nitrate exposure), is a rare condition characterized by a bluish or purplish...

Orthostatic Hypotension: What You Need to Know

Postural hypotension or orthostatic hypotension (OH) is a condition in which patients feel dizzy (or faint) when standing up from a sitting or supine...