12 results
Hypothermia on EKG
 • J (Osborn) waves
 • PR, QRS, and QT prolongation
 • Various bradyarrythmias
• PR, QRS, and QT ... bradycardia, a fib ... with slow ventricular ... #ECG #electrocardiogram ... #cardiology #diagnosis
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
Flattened T waves QT ... • QT interval is ... = QT / √ RR - ... thumb: a normal QT ... #Electrocardiogram
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
• ↑ Ca - short QT ... • ↓ Ca - long QT ... #diagnosis #cardiology ... #electrocardiogram ... #differential
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
DANGER (4) Vfib ... Distal AV block - ventricular ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #differential
Electrocardiographic Features of Digoxin Toxicity
 • Virtually any arrhythmia is possible. None specific for digoxin toxicity
automaticity) with slow ventricular ... Shortening of QT ... digitalis #Toxicity #Electrocardiogram ... #ekg #ecg #toxicology ... #cardiology #diagnosis
Ventricular Fibrillation on POCUS Echocardiogram - Parasternal Short Axis

50's male witnessed arrest. Unknown hx. AED no
Ventricular Fibrillation ... on POCUS Echocardiogram ... Diagnosis? ... getting 12 lead ECG ... #PSAX #POCUS #Echocardiogram
Ventricular Fibrillation on POCUS Echocardiogram - Subcostal 4 Chamber

50's male witnessed arrest. Unknown hx. AED no
Ventricular Fibrillation ... on POCUS Echocardiogram ... Diagnosis? ... getting 12 lead ECG ... #S4C #POCUS #Echocardiogram
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Arrhythmias - Differential ... Diagnosis Algorithm ... • Premature ventricular ... interval) • AFib ... setting of long QT
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... widened QRS and QTc ... Differentiating ventricular ... #electrocardiogram ... #diagnosis #ekg
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Diagnosis Framework ... and a prolonged QT ... waves - Short QT ... waves • Short QT ... #ecg #ekg #electrocardiogram