WebMatch the terms below with their descriptions 1. the intrinsic conduction system structure that initiates atrial depolarization b. interval 2. a region on an ECG tracing that is between two waves but doesn't include a wave 3. the deflection on the ECG that is a result of atrial depolarization d. WebJun 24, 2024 · Cardiac conduction is the driving force behind the cardiac cycle. This cycle is the sequence of events that occur when the heart beats. During the diastole phase of the cardiac cycle, the atria and ventricles …
Conduction System of the Heart and Electrocardiography
WebJul 27, 2024 · These are: Myofibril-rich cells – which are the same as regular cardiomyocytes. Myofibril-poor cells – resemble Purkinje cells; are numerous in the pathway. P cells – like those described in the sinuatrial node. Slender transitional cells – … Sympathetic nervous system (diagram) The sympathetic nervous system is part of … The heart is a muscular organ that pumps blood around the body by circulating it … The endocardium has two layers. The inner layer lines the heart chambers and is … Review of cardiac anatomy The heart is a mediastinal structure that has the most … Coronary arteries and cardiac veins. The heart is a muscular, four-chambered … Basic anatomy of the heart. The heart is at the center of this system, as it pumps … Cardiac muscle tissue, also known as myocardium, is a structurally and … Haematoxylin & Eosin stain of the loose connective tissue (histological slide) The … The cardiac cycle is defined as a sequence of alternating contraction and relaxation … In addition, myelin enables saltatory conduction of the action potential, since … WebThe myocardium, commonly referred to as the heart, acts as a pump for transporting blood around the body via a collective system, known as the cardiovascular system. This system has various components; blood vessels; mainly arteries, veins and capillaries. The cardiovascular system has four main functions within the body. fichas starters
Heart Conduction: What Is It & How It Works
WebMar 29, 2024 · Among the major elements in the cardiac conduction system are the sinus node, atrioventricular node, and the autonomic nervous system. The sinus node is the heart's natural pacemaker. The sinus node is a cluster of cells situated in the upper part of the wall of the right atrium. The electrical impulses are generated there. WebJun 24, 2024 · Components of the Cardiac Conduction System Sinoatrial Node. The sinoatrial (SA) node is a collection of specialised cells (pacemaker cells), and is located … fichas stop incendios