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Which wave is larger the one for atrial contraction or the one for ventricular contraction?
Wiki User
∙ 14y ago
Ventricular contraction wave is larger
Wiki User
∙ 14y ago
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Why is ventricular contraction wave larger?
You need more force to pump the blood to the lungs or the body than you do just to pump it to the next chamber. The atria pump to the ventricles. Easy. The ventricles need to pump the blood to the lungs (right ventricle) or the body (left ventricle) which calls for more pressure, hence a larger contraction wave.
Why is the ventricular wave higher?
Assuming you are talking about Electrocardiogram readings, the ventricular contraction is represented by the 'R' wave. The R wave is so much higher because the left and right ventricles are made up of the largest and strongest muscles of the heart and show the largest electrical energies on the ECG when they are contracted.
The deflection waves in an ecg tracing include?
the T wave, which indicates ventricular repolarization.
What is a combination of waves that form a larger wave?
constructive wave :)
What is it called when a combined wave has larger amplitude than the original wave?
constructive interference
Which wave length is larger atrial contraction or ventricular contraction?
the ventricular contraction wave is larger
What does a inverted QRS wave indicate?
In QRS wave, P wave shows atrial contraction or depolarisation whereas, T wave shows ventricular repolarisation.
Does the p wave in an ekg indicate atrial depolarization?
No it does not. Atrial repolarization is generally not visible on the telemetry strip because it happens at the same time as ventricular depolarization (QRS complex). The P wave represents atrial DEpolarization (and atrial systole). Atrial repolarization happens during atrial diastole (and ventricular systole).
What is the portion of the ECG that indicates ventricular repolarization?
The wave indicating atrial repolarization wave is hidden by the QRS complex. Ventricular repolarization is indicated by the T wave.
Atrial repolarization coincides in time with?
Atrial repolarization coincides with the QRS complex on the ECG. The T-wave corresponds to Ventricular repolarization. 'with tHE t-wave' <-- WRONG
What part of the ECG records atrial contraction?
ECG records electrical activity and not mechanical, hence it has nothing to do with contraction. But P wave represents atrial depolarization.
What is the correct order of ECG waves?
P wave - represents atrial depolarization (contraction) QRS complex - ventricular depolarization T wave - ventricular repolarization (relaxation) atrial repolarization is "buried" within the QRS Complex
What are the main events recorded by an ecg?
The P-wave corresponds to atrial depolarisation.The QRS complex corresponds to ventricular depolarisation.The T-wave corresponds to ventricular repolarisation.
The p wave on an ecg is described as a positive deflection that corresponds to what?
The P wave corresponds to the atrial contraction... the 'beat' of the upper chambers of the heart. The QRS complex correponds to the ventricular contractoins.. the 'beat' of the other two chambers. The T wave represents relaxation of the heart muscle.
The R wave of the ECG is most closely associated with which phase of the cardiac contraction cycle?
Ventricular contraction.
When is a p wave lost in the T wave?
this occurs with a premature beat known as a PAC (premature atrial contraction) A t wave is ventricular repolarization (the ventricle getting ready to beat again. A premature atrial contraction may happen at this time but you can discern the actual p wave as it is hidden in the t wave. Pac's are normal, most people have them occasionally. They can increase with stress, caffeine, smoking. The other cause would be in an irregularly fast arrhythmia in with the heart is beating so fast that the p wave is coming very close to the t wave and hard to discern it
What part of an ecg do atria contract?
Atrial depolarization occurs at the P wave. The atrial contraction occurs at the peak of the wave at the influx of calcium ions to prolong depolarization.
