This rhythm reflects Mobitz Type I AV block or Wenkebach, which is not usually secondary to structural abnormalities when the QRS complex is narrow, but is vagally mediated instead. Increased vagal tone occurs in the young or the athletic with frequencies ranging from 2 to 10%. No treatment is necessary unless the patient is symptomatic.
“ Interpreting an ECG The ECG (electrocardiogram) is divided into three main sections: the P wave, the QRS complex, and the T wave. During the phase known as the P wave, the atria contract. The QRS complex is the ventricular contraction, and the T.
LBBB extensive coronary artery disease and can be the consequence of an acute anterior MI. It is also seen in those with hypertension and cardiomyopathy. ECG Features: A widened QRS complex A secondary R wave in Absent Q waves in