August 1, 2012 (Calgary, Alberta) — A joint consensus statement issued by the Heart Rhythm Society (HRS) and the American College of Cardiology Foundation (ACCF) recommends that patients with ...

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 ...

A 31-year-old woman with no significant medical history presents with intermittent heart palpitations, dizziness, shortness of breath, and fatigue provoked by exercise. Can you make the diagnosis? A ...

2.1 Abnormal heart rhythms (dysrhythmias) are caused by disturbances in electrical impulse generation or by abnormal conduction between chambers of the heart – principally within the sinus node, ...

Normal sinus rhythm Third degree AV block (a.k.a. complete heart block) Inferior ST elevation myocardial infarction (Inferior STEMI) Incomplete right bundle branch block Ischemia of the AV node and ...

Sinus rhythm is the term for the regular pattern of heartbeats driven by the heart’s natural pacemaker, the sinus node. Variations like sinus tachycardia (fast heart rate) and sinus bradycardia (slow ...

There is a regular rhythm at a rate of 48 beats/min. The QRS complex duration is normal (0.08 sec), with a normal morphology and axis between 0° and 90° (positive QRS complex in leads I and aVF). The ...

Although there have previously been no reported cases of an interaction between trazodone and omeprazole, a new report is believed to be the first instance of reversible second-degree Mobitz type 1 ...

Bradycardia is a slow heart rate, defined as a heart rate of less than 60 beats per minute. Bradycardia can be caused by a range of factors, including diseases such as: sick sinus syndrome – a number ...