< A myocardial infarction.
the P wave
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).
Very, Go see your doctor. You will have a ECG done (Electrocardiogram) and if it needs further investigation you'll have an ultrasound done. === ===
the ECG signal is traveling faster than the pressure recording wave.
Infants usually have an abnormal "gallop" heart rhythm and may also have heart murmurs. Sometimes excessive arterial pulses can be seen in the carotid and suprasternal notch arteries, indicating increased pressure in these arteries
the contraction of the ventricles
because it does, so just accept it
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.
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
the P wave
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
The T wave is positive in an ECG due to the direction and charge. This positive deflection occurs after each QRS complex.
P wave
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The QRS complex on an ECG represents ventricular depolarisation. This wave should have the greatest amplitude.
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T inversion in lead V3 on an ECG may indicate various conditions such as myocardial ischemia, ventricular strain, or electrolyte imbalances. It is important to consider the clinical context and the overall ECG findings when interpreting T-wave inversions in lead V3. Additional testing and evaluation may be necessary to determine the underlying cause.