art Vessels Concepts Complete the following statements to describe electrocardio

Question

art Vessels Concepts Complete the following statements to describe electrocardiograms (ECGs) Not all choices will be used electrocariogram ECG) The recording of the electrical changes that occur in the myocardium during a cardiac cycle is called an ibrillation During a cardiac cycle, the contraction, the contraction, and the_T wave occurs when the ventricles are recovering from contraction wave occurs prior to atrial wave occurs just prior to ventricular QRS neurochemical changes The waves are detected by electrodes that are placed on the skin that occur in the myocardial tissue during these electrical changes Diterent abnormalities can be detected through this technique, including or the uncoordinated irregular electrical acoivity of the PET scan 3 5 8

Explanation / Answer

1) ECG

2) p waves, QRS waves

3)electrical activity

4)Ventricular Fibrillation

ECG record electrical activity in the heart muscles. As the depolarization wave proceeds through the walls we get characteristic PQRST pattern which is an indication of a healthy heart. As these waves are produced as the result of electrical activity through atria and ventricles, any abnormality in waves correspond to an abnormality in the electrical activity of the chambers and thus the working of the heart.

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