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WHAT EXACTLY IS AN ARRHYTHMIA?

Dr. Sanjay Gupta

The word arrhythmia comes from two Greek words. The first is ‘a-’ which means absence or loss and the second is ‘rhythmos’ which means rhythm. So arrhythmia literally means absence or loss of rhythm. A cardiac arrhythmia therefore means loss of cardiac rhythm.

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Torsade in a patient with left bundle branch block: is there a long QT? (And: Left Bundle Pacing).

Dr. Smith's ECG Blog

Heart Rhythm [Internet]. Because she has cardiomyopathy and ventricular dysrhythmias, the pacer included an Implanted Cardioverter-Defibrillator (ICD) Echo 6 days later after CRT: Normal estimated left ventricular ejection fraction. New formula for evaluation of the QT interval in patients with left bundle branch block.

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A man in his 70s with weakness and syncope

Dr. Smith's ECG Blog

There were no dysrhythmias on cardiac monitor during observation. This discussion comes from this previous post: Hyperthermia and ST Elevation Discussion Brugada Type 1 ECG changes are associated with sudden cardiac death (SCD) and the occurrence of ventricular dysrhythmias. Heart Rhythm, 13(7): 1515-1520. [2]:

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Hyperthermia and ST Elevation

Dr. Smith's ECG Blog

The limb lead abnormalities appear to be part of the Brugada pattern, as described in this article: Inferior and Lateral Electrocardiographic RepolarizationAbnormalities in Brugada Syndrome Discussion Brugada Type 1 ECG changes are associated with sudden cardiac death (SCD) and the occurrence of ventricular dysrhythmias. There was a 0.9%