0
What is the ECG wave that results from the depolarization of the ventricle?
Wiki User
∙ 11y ago
the P wave
Wiki User
∙ 11y ago
Add your answer:
Earn +20 pts
What are the 3 components of the ECG trace?
The EKG or ECG components are the P wave (contraction of the atria), the QRS complex (the contraction of the ventricles) and the T wave (repolarization of the ventricles).
An enlarged R wave on an ECG would indicate?
< A myocardial infarction.
Why there is a delay between the heart beat in the blood pressure recording and the heart beat in the electrical ECG?
the ECG signal is traveling faster than the pressure recording wave.
How would Damaged heart tissue affect mean electrical axis?
damages or disease of the heart could cause changes of the path of depolarization (mean electrical axis). such affects would result in abnormalities in ECG trace. ultimately causing MEA to be off
Why is the P wave sometimes notched in an ECG due to atrial hypertrophy?
Check into left atrial enlargement. usually a sign of notched P waves
What contraction of the atria results from which wave of depolarization on the ECG tracing?
P wave
The portion of the ECG that corresponds to atrial depolarization is the?
The portion of the ECG that corresponds to atrial depolarization is called the P wave. The P wave is the first wave on the ECG.
What part of the ECG complex represents the atrial depolarization?
The P wave.
In an ecg pattern the p wave is caused by what?
depolarization of atrial muscle fibers
What is atrial repolarization indicated by?
The atrial repolarization occurs during the QRS complex of the ECG but is obscured by the ventricle depolarization.
The p wave of the electrocardiogram is a signal from?
The P wave on ECG corresponds to electrical depolarization of the atria. It should be positive in lead II and negative in aVR when the P wave originates in the sinoatrial node.
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.
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 does a segment of an ECG tracing indicate?
P waves represent the atrial depolarization. QRS complex represent the ventricular depolarization. T waves represent the ventricular repolarization.
What do the letters PQRST represent?
P, Q, R, S and T each represent a wave of the electrocardiogram (ECG). The waves, and the ECG in general, confer a graphic representation of the hearth's electric activity. The ECG of a healthy person usually contains three waves, called the P wave, the QRS complex and the T wave. The P wave corresponds to the electric depolarization of the auricles, the QRS complex corresponds to the electric depolarization of the ventricles and the repolarization of the auricles, and the T wave corresponds to the electric repolarization of the ventricles. A complete period of an ECG (that is, the P, QRS, and T waves) represents the electrical activity of the heart for one pulse.
What is the normal calibration for a EKG?
An abnormal ECG is when the electrocardiogram shows results outside the norm. These results are usually indicative of problems in the heart, such as enlargement, higher potassium or sodium levels, damage, and inflammation.
What does the P wave indicate?
The P wave indicates the depolarization (contraction) of the atria.Source: Chon, Elizabeth Gross, and Gilroy-Doohan, Mary,Flip and See ECG, W.B. Saunders Company
