Medium.

The ECG in Figure-1 -- was acquired from a person with palpitations. Reasons for tachycardia (tachyarrhythmia) with narrow QRS complexes (QRS period Sinus rhythm (which is the normal rhythm) has the adhering ecg interpretation quiz quizlet to characteristics: (1) heart price 50-100 beats per minute; (2) P-wave precedes every QRS complicated; (3) the P-wave declares in lead II and (4) the public relations period is continuous.

Sources of tachycardia (tachyarrhythmia) with slim QRS facilities (QRS period Sinus rhythm (which is the typical rhythm) has the adhering to qualities: (1) heart rate 50-100 beats per minute; (2) P-wave comes before every QRS facility; (3) the P-wave is positive in lead II and (4) the public relations period is constant.

Root causes of tachycardia (tachyarrhythmia) with slim QRS complicateds (QRS duration Sinus rhythm (which is the typical rhythm) has the complying with characteristics: (1) heart rate 50-100 beats per min; (2) P-wave precedes every QRS complex; (3) the P-wave declares in lead II and (4) the PR period is continuous.