Dr. Smith's ECG Blog

NOVEMBER 24, 2017

The rule of thumb is less accurate, and the risk is higher because a long QT in the presence of bradycardia ("pause dependent" Torsades) predisposes to Torsades. 6) Use a different rule of thumb for bradycardia : Manually approximate both the QT and the RR interval. 3) At heart rates below 60, far more caution is due.

Bradycardia 52

Bradycardia Article Atrial Fibrillation Chest Pain 52

Dr. Smith's ECG Blog

JANUARY 30, 2019

Pediatric and elderly patients were more predisposed to developing an arrhythmic event in the setting of fever [7]. Recently the rate of true arrhythmic events related to fevers in the classic Brugada Type 1 syndrome was explored by Michowitz et al.

Heart Rhythm 52

Heart Rhythm Sudden Cardiac Death Arrhythmia STEMI 52

Dr. Smith's ECG Blog

DECEMBER 5, 2019

Further history later: This patient personally has no further high risk features (syncope / presyncope), but her mother had sudden cardiac arrest in sleep. Regardless of further evaluation, she should avoid bradycardia, AV nodal blockers, Na channel blockers, and fevers. --If

Sudden Cardiac Death 52

Sudden Cardiac Death Heart Rhythm Article Tachycardia 52