Electrical impulses to the heart
[DOC File]THE HEART
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-gap junctions allow ions to pass from cell to cell transmitting the electrical impulses-heart works as 1 unit due to gap junctions. e. 1-2 large nuclei. f. lct matrix – endomysium with lots of capillaries. g. matrix connected to dense fct skeleton-collagen and elastin fibers – link cardiac cells together. h. lots of mitochondria. 2.
[DOC File]Basic Electrophysiology - Triton College
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(i) Describe the route taken when electrical impulses are transmitted from the sinoatrial node to the muscles of the ventricles in a healthy heart. (2) (ii) Explain how information from these ECG traces suggests that the damage caused to the diseased heart is …
[DOC File]Chapter 18 - Cardiovascular System: The Heart
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6. Heart Conduction. Read about how the cardiac conduction system delivers electrical impulses to the heart and stimulates contractions. Trace the path that electrical impulses take in order to contract and relax the heart. Number the structures below by the order in which the impulse travels. ____ Atrioventricular (AV) node ____ Sinoatrial (SA ...
[DOCX File]Test
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The diagram shows the pathways in the heart for the conduction of electrical impulses during the cardiac cycle. The table shows the blood pressure in the left atrium, the left ventricle and the aorta at different times during part of a cardiac cycle.
[DOCX File]www.mrsbradfordscience.co.uk
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The electrical activity of the heart can be monitored using an electrocardiogram (ECG) trace.Fig. 16.1 shows the ECG pattern for a single normal heartbeat. ... idea of rapid or frequent electrical impulses in atria (1)idea of electrical impulses not only from SAN (1)idea of smaller gaps between QRS phases (1) ORAidea of heart rate set by SAN is ...
The Cardiac Electrical System and How the Heart Beats
Nerves travel to the heart along the coronary arteries and modify the rate and strength of the heart beat. The conduction system consists of specialized heart muscle fibers that transmit electrical impulses to regulate atrial and ventricular contraction.
Visible Body - Virtual Anatomy to See Inside the Human Body
-Electrical impulses are the result of brief but rapid flow of ions back and forth across the cell membrane-The major electrolytes that that affect cardiac function are sodium, potassium, and calcium ... can also abnormally occur anywhere in the heart (Usually secondary to ischemia, injury, or an electrolyte imbalance) ...
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