WebAn EKG measures electrical activity of the heartbeat, which is your body’s way of moving blood. Heartbeats are created by an electrical impulse … WebThe P-wave, PR interval and PR segment. ECG interpretation traditionally starts with an assessment of the P-wave. The P-wave reflects atrial depolarization (activation). The PR interval is the distance between the …
17.4B: Electrocardiogram and Correlation of ECG Waves with Systole
WebJan 31, 2024 · The electrical impulse then reaches the ventricles. This can be seen in the Q, R and S waves of the ECG, which is called the QRS complex. The ventricles contract. Then the T wave shows that the electrical impulse has stopped spreading, and the ventricles relax once again. Heart diseases and irregular heartbeats can be detected in ECGs. WebElectrical vectors. A vector is a physical quantity which has both magnitude and direction in space. Movement of electrically charged particles – which occur during spread of the cardiac action potential – generates an … city of maribyrnong public hospital
The Heart
WebOct 12, 2024 · A simple, step-by-step guide to reading an ECG (also known as ECG interpretation), with included ECG examples and ECG quiz questions. ... The ST segment is the part of the ECG between the end of the S wave and the start of the T wave. In a healthy individual, it should be an isoelectric line (neither elevated nor depressed). ... 00:25 … WebThe QRS complex is the combination of three of the graphical deflections seen on a typical electrocardiogram (ECG or EKG).It is usually the central and most visually obvious part of the tracing. It corresponds to the depolarization of the right and left ventricles of the heart and contraction of the large ventricular muscles.. In adults, the QRS complex normally … WebThe cardiac conduction system (CCS) (also called the electrical conduction system of the heart) transmits the signals generated by the sinoatrial node – the heart's pacemaker, to cause the heart muscle to contract, and pump blood through the body's circulatory system.The pacemaking signal travels through the right atrium to the atrioventricular … city of marianna recreation department