13 results
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... • Classic EKG ... #AVR #leadAVR #ecg ... #ekg #differential ... #cardiology
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
Surgical devices, e.g ... Sepsis (→ 3-14) e.g ... malignant syndrome (e.g ... #Differential # ... #Management #Workup
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... junction origin (e.g ... • Lateral (I + aVL ... @AmyChung #EKG ... Interpretation #ECG
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
= Biomarkers + ECG ... wave inversion in avL ... #Ischemia #ECG ... #EKG #diagnosis ... Interpretation #differential
Intraoperative Tachycardia - Guidelines for Crises in Anaesthesia
Tachycardia in theatre is often due to inadequate depth
obtain 12-lead ECG ... -1); malignant hyperthermia ... Anesthesiology #Anesthesia ... Intraoperative #Checklist #Diagnosis ... #Management #Workup
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
Equivalents on ECG ... ST elevation in aVR ... of the leads l, aVL ... #Equivalents #ECG ... #EKG #diagnosis
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
, not in aVL • ... , not in aVL, when ... lateral leads (I, aVL ... #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Cardiac Arrest - Guidelines for Crises in Anaesthesia

The probable cause is one or more of: something
• Check ECG rhythm ... hyperkalaemia Hypothermia ... CardiacArrest #Checklist #Differential ... Intraoperative #Checklist #Diagnosis ... #Management #Workup
Intraoperative  Bradycardia - Guidelines for Crises in Anaesthesia
Bradycardia in theatre should not be treated as
known drug causes (eg ... hyperkalaemia, hypothermia ... Anesthesiology #Anesthesia ... Intraoperative #Checklist #Diagnosis ... #Management #Workup
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
and positioning (e.g ... Endocrine cause (eg ... #Hypotension #Differential ... Anesthesiology #Anesthesia ... #Management #Workup