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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.
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What effect does atropine have on heart rate?
Ventricular fibrillation, and supraventricular or ventricular tachycardia.
How do you count ventricular rate of heart?
Place the stethoscope over the heart (left side of the chest) and count the heart beat for a full minute.
Can it kill if your heart rate goes up when you are sick?
If your heart rate increases because of adrenaline (related to your emotional state) that is unlikely to kill you. There are some conditions, particularly ventricular fibrillation, in which increased heart rate can kill you, but in most forms of sickness, increased heart rate is not dangerous.
What is the difference between blood pressure and heart rate?
Blood pressure is the pressure exerted on the wall of arteries and veins. Heart rate is the BPM or beats per minute.
What can decrease the cardiac output?
The cardiac output can be decreased by decreasing the force of contraction of the ventricular myocardium and decreasing the heart rate.
