Dr. Smith's ECG Blog

NOVEMBER 25, 2022

These include ( among others ) — acute febrile illness — variations in autonomic tone — hypothermia — ischemia-infarction — malignant arrhythmias — cardiac arrest — and especially Hyperkalemia. Other Arrhythmias ( PACs, PVCs, AFib, Bradycardia and AV conduction disorders — potentially lethal VT/VFib ).

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Arrhythmia Blog Chest Pain Cardiac Arrest 52

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.

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Bradycardia Article Atrial Fibrillation Chest Pain 52

Dr. Smith's ECG Blog

JANUARY 30, 2019

In addition to a spontaneous or induced Brugada-1 ECG pattern, criteria for B rugada S yndrome require one or more of the following: History of cardiac arrest, of polymorphoic VT, or of non-vagal syncope — positive family history of sudden death at an early age — a similar ECG in close relatives. Heart Rhythm, 13(7): 1515-1520. [2]:

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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 Heart Rhythm 2016.

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Sudden Cardiac Death Heart Rhythm Article Tachycardia 52