• Sep 12, 2025 Cardiac Electrophysiology 2 lterations can lead to early afterdepolarizations or delayed repolarizations, both of which predispose the heart to arrhythmias. Conduction System Abnormalities The atrioventricular (AV) node, bundle of His, and Purkinje fibers form the conduction network. Disruptions here can cause blocks or reent By Kayla Pacocha
• Mar 25, 2026 cardiac drugs made ridiculously simple e conduction through the AV node. 3. Drugs for Angina Angina is chest pain caused by insufficient blood flow to the heart muscle. Common Medications: Nitroglycerin : A nitrate that dilates coronary arteries rapidly. Beta-Blockers : Red By Dan Breitenberg Sr.
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• Jan 11, 2026 Cardiac Cycle Flow Diagram body and deoxygenated blood to the lungs. Isovolumetric Ventricular Relaxation After blood ejection, the ventricles relax, and the semilunar valves close to prevent blood from flowing back into the heart. The flow diagram illustrates this brief period where the ventricles’ By Alma Durgan
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