165 results
The JT Interval and Pro-Arrhythmic Risk
Measured from the J-point to the end of the T-wave, the
JTc=QTc-QRS When ... with QRS ≥120 ms ... Interval #JTInterval #QTc ... pathophysiology #ekg ... #ecg #cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
interval < 120 ms ... interval ≥ 120 ms ... WolffParkinson-White syndrome ... Amy Chung, MD, MSc ... Interpretation #ECG
Brugada syndrome with non-sustained VT; sodium channel blocking drugs (e.g. amio, procainamide) can be dangerous here!

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Brugada syndrome ... blocking drugs (e.g ... amalmattu #Brugada #syndrome ... Electrocardiogram #ECG ... #EKG #Clinical
Wellens' Syndrome on ECG

A 66-year-old man with hypertension and hyperlipidemia presents after an episode of severe
Wellens' Syndrome ... on ECG A 66- ... A 12-lead ECG is ... #Wellens #Syndrom ... #Clinical #Cardiology
Hypothermia on EKG
 • J (Osborn) waves
 • PR, QRS, and QT prolongation
 • Various bradyarrythmias
Hypothermia on EKG ... • PR, QRS, and QT ... bradyarrythmias (e.g ... #ECG #electrocardiogram ... cardiology #diagnosis #clinical
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
Approach to ECGs ... - Syncope Syndromes ... • ↑ Ca - short QT ... mchlwng #Syncope #Syndromes ... #ECG #EKG #Checklist
Wellens Syndrome on EKG
Associated with a critical stenosis of the proximal LAD, suggestive of impending infarction
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Wellens Syndrome ... on EKG Associated ... with a critical ... FOAMfrat #Wellens #Syndrome ... #EKG #ecg #cardiology
TCA Overdose on EKG
 • Sinus tachycardia
 • QRS prolongation
 • QT prolongation
 • Rightward deviation
TCA Overdose on EKG ... prolongation • QT ... antidepressants #EKG ... #ECG #electrocardiogram ... cardiology #diagnosis #clinical
QT / QTc Interval Measurement in Wide QRS Complex
 - A wide QRS complex will lead
QT / QTc Interval ... interval that is not clinically ... #QTc #Interval ... cardiology #diagnosis #ecg ... #ekg #electrocardiogram
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
Approach to ECGs ... ICD/pacer - QTc ... <300-360 ms: ↑ca ... #Approach #ECG ... #EKG #diagnosis