In cardiology, what are Q waves?
The
heart generates the three main waves of electrical impulses, the second group containing q waves when they are present. The first wave of this group, the wave P, is concentrated in the upper heart or the hall. The second wave group, the QRS complex, is concentrated in the lower heart or in the chamber. The third wave group consists of t waves, which is mainly the state of the rest for the heart before creating a new set of wave pulses. These Q waves are also known as septal q waves because they arise in interventricular septum during the contraction of the lower heart muscles or ventricular myocardial. The characteristics of Q waves can be shown by electrocardiogram (ECG or ECG) to record cardiac activity. When I move towards the electrode, it is called positive deflection; When the pulses move away from the electrode, it is said that it is a negative deflection. The QRS complex is usually picked up by ECG as five deflections, and wool Q is usually considered to be deflected that turns down just after the wave of P.
ECG is widely used to diagnose heart conditions, such as the indication of the presence of pathological q of the waves. The pathological wave Q is a deviation or absence of a normal pattern of repetition Q in the QRS complex; This may mean that these waves are not generated or defective due to the scarring of the heart muscle from a heart attack or myocardial infarction. Although the ventricular myocardium is known to recover after myocardial infarction in this area, which could cause the pathological q waves to disappear, q waves created by a conventional infarction for the rest of the human life.
ECGs are an essential aid in diagnosis that currently occurs myocardial infarction; It may notice any increase in waves of ST Wave, waves occurring after the QRS complex. The pathological waves of Q occur after the event ends, so they cannot show the current myocardial infarction; However, the deep wide q waves seen on the ECG in the right place may afterpower to mark the current or developing myocardial infarction. Magnetic resonance imaging (MRI) is also used to find areas of heart scarring in patients with known previous myocardial infarction.