Sickle Cell Disease Sickle-Shaped Cells Clog the Bloodstream Sickle cell disease is an inherited blood disorder affecting mainly people of African descent. This blood disorder affects the hemoglobin in the red blood cell. Hemoglobin is Read More …
Pacemakers: How They Work Device Normalizes Heartbeat The heart beats about 100,000 times each day. Each heartbeat begins with an electrical impulse from the heart’s natural pacemaker, the sinoatrial node (S-A node), found at the Read More …
Intermittent Claudication Painful Cramping During Exercise Intermittent claudication is a painful, cramp-like condition usually experienced in the calves that begins during exercise and disappears at rest. Intermittent claudication is often a symptom of peripheral artery Read More …
Iron Deficiency Anemia When the body lacks iron, hemoglobin isn’t produced and new red blood cells are not made. As the demand for oxygen intensifies, the body begins to produce new red blood cells, but Read More …