Learn about the mechanisms of hypertension, how high blood pressure leads to an enlarged heart and atherosclerosis, and strategies for maintaining cardiovascular health.

Learn about Arteriovenous Fistula (AVF), including its causes, hemodynamics, and treatment. This guide covers congenital and dialysis-related fistulas and management.

Explore the microscopic world of the arterial wall and the development of calcified atherosclerotic plaques. This guide explains the histology and pathology of vascular mineralization.

Phlegmasia cerulea dolens is a rare and critical medical...

The image presented demonstrates a classic clinical sign known as pitting edema, a condition characterized by observable swelling in body tissues due to fluid accumulation. This visual guide highlights the standard diagnostic physical examination technique used by healthcare professionals to distinguish this specific type of fluid retention from other forms of swelling. By applying direct pressure to the affected limb, a clinician can assess the severity and nature of the edema based on the tissue's response.

Deep Vein Thrombosis (DVT) is a serious vascular condition characterized by the formation of a blood clot (thrombus) within a deep vein, predominantly occurring in the lower extremities such as the calf or thigh. The clinical presentation of this condition is often visually distinct, manifesting as significant asymmetry between the limbs due to fluid retention and inflammation. The image provided illustrates a classic presentation of a right leg DVT, highlighting the contrast in size and skin tone compared to the unaffected left leg, serving as a critical example of why early visual recognition is vital for preventing severe complications.