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What is the difference between heart rate and ventricular rate?
On an ECG the heart rate will match both ventricular rate and atrial rate if the heart is normal. If people have atrial fibrilation then the ventricular rate will be used on the ECG to work out the rate of the ventricular contraction and vice-versa with ventricular fibrilation. Usually both atrial and ventricular rates match so if the atria contracts at 70 BPM the ventricles will beat at 70 BPM. It is possible for the ECG machine to work out atrial or ventricular rate if needs be. Usually, however, if the ECG machine just displays heart rate then both ventricular and atrial rates match.
How many seconds does ventricular contraction last?
The normal time of ventricular contraction depends on the heart rate. The QT segment represents the ventricular contraction on an ECG exam. The corrected QT segment is 0.45 seconds for men and 0.46 seconds for women.
What effect does atropine have on heart rate?
Ventricular fibrillation, and supraventricular or ventricular tachycardia.
Does the atrial rate equal the ventricular rate in the ECG tracing?
yes
Is there a pulse rate in ventricular fibrillation?
ofcourse.
What does nonsustained ventricular tachycardia mean?
Nonsustained ventricular tachycardia is elevated heart rate originating in the ventricles that stops on its own.
When heart rate is increased the time of ventricular filling is?
. . . decreased.
What portion of the ECG indicates ventricular repolarization?
The portion of the ECG that indicates ventricular repolarization or recovery is the t wave. It is the wave found after the QRS complex (Ventricular depolarizaton) in a normal ECG
What is the physiology of ventricular tachycardia?
A rapid heart rate can originate in either the left or right ventricle. Ventricular tachycardia which lasts more than 30 seconds is referred to as sustained ventricular tachycardia
What is normal left ventricular ejection fraction as a percentage?
According to my Cardiologist 50-70% is normal.
What is the normal blood pressure recorded during the ventricular systole?
cardiac cycle Normal is less than 120 (mmHg)
What is the ventricular system?
Within the normal human brain, there is a connecting system of ventricles, commonly referred to as the ventricular system, which is filled with cerebrospinal fluid
