Premature Ventricular Contractions (PVCs), Animation

premature ventricular contractions PVCs are premature heartbeats originating in one of the lower chambers of the heart the ventricles PVCs can result from a variety of factors and conditions including consumption of alcohol caffeine tobacco or drugs certain medications physical exercise stress or anything that increases adrenaline levels certain electrolyte deficiencies and damaged cardiac tissue…

Capillary Exchange and Edema, Animation

The major purpose of the circulatory system is to bring oxygen and nutrients to body tissues and remove wastes. This exchange happens in the smallest blood vessels called the capillaries. The walls of capillaries consist of a single layer of endothelial cells. Substances move between the blood and surrounding tissue in several ways: – Diffusion…