Remove Bradycardia Remove Cardiac Arrest Remove Heart Rhythm
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How a pause can cause cardiac arrest

Dr. Smith's ECG Blog

While on telemetry monitoring he suffered cardiac arrest and was resuscitated. What ECG finding may have contributed to (or precipitated) the cardiac arrest? Learning points : Takotsubo can lead to cardiac arrest from ventricular arrhythmia. There are no clear signs of OMI. There is a prolonged QTc.

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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]. Discontinue all negative chronotropic agents, since the risk of torsade is much higher with bradycardia or pauses. See this post: How a pause can cause cardiac arrest 2. Bogossian H, Frommeyer G, Ninios I, Hasan F, Nguyen QS, Karosiene Z, Mijic D, Kloppe A, Suleiman H, Bandorski D, et al.

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A man in his 60s with syncope and ST depression. What does the ECG mean?

Dr. Smith's ECG Blog

Polymorphic Ventricular Tachycardia Long QT Syndrome with Continuously Recurrent Polymorphic VT: Management Cardiac Arrest. A New Seizure in a Healthy 20-something More cases of long QT not measured correctly by computer (these are all fascinating ECGs/cases): Bupropion Overdose Followed by Cardiac Arrest and, Later, ST Elevation.

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Hyperthermia and ST Elevation

Dr. Smith's ECG Blog

Heart Rhythm, 13(7): 1515-1520. [2]: Heart Rhythm, 4(2), 198-199. [6] Heart Rhythm, 15(9): 1394-1401. [7] 7] American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines and the Heart Rhythm Society. Circ Res, 85(9), 803-809. [6]:

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QT Correction Formulas Compared to The Rule of Thumb ("Half the RR")

Dr. Smith's ECG Blog

In other words, if the QT is less than 1/2 the RR (QT non -prolonged) and the heart rate is above about 60 beats a minute, you can confidently say the QT is not prolonged. 3) At heart rates below 60, far more caution is due. 6) Use a different rule of thumb for bradycardia : Manually approximate both the QT and the RR interval.

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A young F is hyperthermic, delirious, and dry: Fever-induced Brugada? Diphenhydramine toxicity? Tricyclic?

Dr. Smith's ECG Blog

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. Heart Rhythm 2018.

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Unconscious + STEMI criteria: activate the cath lab?

Dr. Smith's ECG Blog

This ECG shows a sinus bradycardia with a normal conduction pattern (normal PR, normal QRS, and normal QTc), normal axis, normal R-wave progression, normal voltages. Hypothermia can also produce bradycardia and J waves, with a pseudo-STEMI pattern. Heart Rhythm 2010 Hudzik B, Gasior M. There is marked sinus bradycardia.

STEMI 52