Circulatory System

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...

Valsalva Maneuver: Medical Applications and Safety Tips

The Valsalva maneuver is a breathing technique in which a person forcefully exhales while keeping the mouth, nostrils, and glottis closed. This action raises...

Embolic Stroke: Causes, Symptoms, and Treatment

An Embolic Stroke occurs when a clot, such as a blood clot or another particle like plaque, obstructs an artery in the brain, disrupting...