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Place the stethoscope over the heart (left side of the chest) and count the heart beat for a full minute.
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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.
What effect does atropine have on heart rate?
Ventricular fibrillation, and supraventricular or ventricular tachycardia.
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.
How do you count your pulse to get an accurate heart rate count?
Heart rate is usually recorded in beats per minute. So find your pulse either in your wrist or your neck and count. If you don't want to count for the full minute, count for 15 seconds and multiply by 4.
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.
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.
What effect does atropine have on heart rate?
Ventricular fibrillation, and supraventricular or ventricular tachycardia.
When heart rate is increased the time of ventricular filling is?
. . . decreased.
What does nonsustained ventricular tachycardia mean?
Nonsustained ventricular tachycardia is elevated heart rate originating in the ventricles that stops on its own.
What factors can increase myocardial oxygen demand?
Heart rate and ventricular wall tension
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 portion of the cardiac cycle is shortened by this more rapid heart rate?
The ventricular relaxation period.
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.
How do you count your pulse to get an accurate heart rate count?
Heart rate is usually recorded in beats per minute. So find your pulse either in your wrist or your neck and count. If you don't want to count for the full minute, count for 15 seconds and multiply by 4.
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.
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 type of disease can be find by heart beat?
If you hear a heart mumur, this indicates heart valve disease. If the heart rate is irregular it is either atrial fibrillation or ectopic beats, either atrial or ventricular.
