If the ventricular pacing is originating in the right ventricle like a normal pacemaker, a left bundle branch morphology will be present. This occurs since the right ventricle is activated first and ...

A 68-year-old male with morbid obesity and no past medical history comes to the office complaining of fatigue and shortness of breath. He does not feel dizzy and has never passed out. He takes no ...

The rhythm is regular at a rate of 78 beats/min. Before each QRS complex, there are two pacing stimuli (+,v) with a very short interval (0.06 sec) between them. They are both ventricular pacing ...

If someone’s experiencing ongoing chest pain or other symptoms such as shortness of breath, an electrocardiogram will likely be a test your doctor orders. The electrocardiogram, also called an EKG or ...

ECG in most of the cases can help diagnose a heart attack but there are times when it fails. Cardiologists on possible reasons behind it. ECG also known as Electrocardiogram or EKG in most of the ...

This 81 year old woman presents to her GP with blackouts lasting a few seconds. What does her ECG show? A Sinus rhythm with Mobitz I second degree (Wenckebach) AV block The ECG shows consistent p ...

GUADALAJARA, Mexico — "Somatic reprogramming is a strategy in which we are not modifying a single part of the cell, but we are reprogramming a normal cell to transform it into a pacemaker cell," said ...

Have you ever heard the term 'sinus arrhythmia' and wondered what it means? You might have come across it during a routine check-up or on an Electrocardiogram (ECG) and felt concerned. The word ...