12 results
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... ddx: AVNRT, AVRT ... (SVT) in wide cornplex ... #AVR #leadAVR #ecg ... #ekg #differential
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Arrhythmias - Differential ... Diagnosis Algorithm ... • AVRT (ie ... - Wide Complex ... #causes
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Tachycardia - Differential ... Diagnosis Table ... • ST vs SVT (AVNRT ... #Differential # ... Diagnosis #Table
Intraoperative Circulatory Embolus - Guidelines for Crises in Anaesthesia
Causes: thrombus, fat, amniotic fluid, air/gas.
Signs: hypotension, tachycardia,
Causes: thrombus ... : hypotension, tachycardia ... Consider thrombolysis e.g ... Intraoperative #Checklist ... #Diagnosis #Management
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Palpitations - Differential ... Diagnosis Framework ... exam • 12-lead ECG ... or AVRT • Standing ... Red Flag Symptoms
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Tachyarrhythmias - HR > 100 Wide ... 200ms from longer pause ... can function) Wide ... #EKG #diagnosis ... electrocardiogram #cardiology #differential
Intraoperative Tachycardia - Guidelines for Crises in Anaesthesia
Tachycardia in theatre is often due to inadequate depth
obtain 12-lead ECG ... : central line/wire ... ); circulatory embolus ... Intraoperative #Checklist ... #Diagnosis #Management
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Shock - Differential ... Diagnosis by Classification ... • AV block ... • Ventricular tachycardia ... #Table #Causes
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
non-sinus → 2-7 Tachycardia ... #Hypotension #Differential ... Anesthesiology #Anesthesia ... Intraoperative #Checklist ... #Diagnosis #Management
Cardiac Arrest - Guidelines for Crises in Anaesthesia

The probable cause is one or more of: something
• Check ECG rhythm ... Anaphylaxis (→ 3-1) Embolism ... CardiacArrest #Checklist ... #Differential # ... #Diagnosis #Management