- In coronary care units, ECG is recorded continuously with alarms using a portable tape recorder. What is it called?
Holter monitor
- What is a normal sinus rhythm or NSR?
Normal beat originating in the SA node
- In healthy individuals, heart rate varies along the phases of respiration. What is it called as?
Sinus arrhythmia
- What is the cause of sinus arrhythmia in a normal person ?
Fluctuations in the vagal tone to the heart
- What is the disease of the SA node leading to bradycardia with dizziness and syncope called?
Sick sinus syndrome
- In complete heart block ventricles beat at a low rate independent of atria. What is this rhythm called as?
Idioventricular rhythm
- What does is indicate if the PR interval is abnormally prolonged in the ECG?
First-degree heart block
- What is it called if the PR interval is lengthening progressively with a missing ventricular beat?
Wenckebach phenomenon- Name the electrical recording used to locate the site of defect in conducting system of the heart.
His bundle electrocardiogram
- What is the QRS morphology varying in ventricular tachycardia called?
Torsade des pointes
(Physiology; UMS 2008)
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