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Hypothermia on EKG
 • J (Osborn) waves
 • PR, QRS, and QT prolongation
 • Various bradyarrythmias
. sinus bradycardia ... , a fib with slow ... ventricular response ... osborn #waves #EKG ... #ECG #electrocardiogram
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Bradyarrhythmias • Sinus bradycardia ... • Sinus pauses ... Tachyarrhythmias • Ventricular ... Medication side effect (e.g ... Classification #Table #Causes
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
60 (1) Sinus bradycardia ... 200ms from longer pause ... Distal AV block - ventricular ... #EKG #diagnosis ... #electrocardiogram
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
SA node: Sinus bradycardia ... • Ventricles: Ventricular ... (AFL), Atrial Fibrillation ... Fibrillation (V-Fib ... Differential #Diagnosis #Causes
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Arrhythmias: • Atrial fibrillation ... supraventricular or ventricular ... tachycardia • Ventricular ... /Afib/WPW) • Loss ... consciousness • Near-syncope
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
Waves/Fibrillary = afib ... aVF) • Right ventricular ... hypokalaemia or bradycardia ... Arrhythmogenic right ventricular ... #Electrocardiogram
Ventricular Fibrillation on POCUS Echocardiogram - Parasternal Short Axis

50's male witnessed arrest. Unknown hx. AED no
Ventricular Fibrillation ... Fine Vfib can be ... getting 12 lead ECG ... RJonesSonoEM #Ventricular ... #Fibrillation #
Ventricular Fibrillation on POCUS Echocardiogram - Subcostal 4 Chamber

50's male witnessed arrest. Unknown hx. AED no
Ventricular Fibrillation ... Fine Vfib can be ... getting 12 lead ECG ... RJonesSonoEM #Ventricular ... #Fibrillation #
This infographic provides a mnemonic tool called “WOBBLER” for assessing an ECG (electrocardiogram) in cases of
(electrocardiogram ... ) in cases of syncope ... evaluate potential causes ... pathway that can cause ... • L: Left Ventricular