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 ... electrocardiogram #diagnosis #ekg ... cardiology
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 - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
60 (1) Sinus bradycardia ... #Tachycardia #Bradycardia ... bradyarrhythmia #ECG ... #EKG #diagnosis ... #differential
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 Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
hypertension, tachy- or bradycardia ... trolley and 12-lead ECG ... CM5 continuous ECG ... Obtain a 12-lead ECG ... Ischemia #Ischaemia #Anesthesiology
Intraoperative  Bradycardia - Guidelines for Crises in Anaesthesia
Bradycardia in theatre should not be treated as
Intraoperative ... reservoir bag and APL ... known drug causes (eg ... #Anesthesiology ... #Anesthesia #Intraoperative
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" +
Segment Elevation - Differential ... , not in aVL • ... , not in aVL, when ... lateral leads (I, aVL ... #ecg #ekg #electrocardiogram
Intraoperative Anaphylaxis - Guidelines for Crises in Anaesthesia
• Unexplained hypotension
• Unexplained bronchospasm (wheeze may be absent
Intraoperative Anaphylaxis ... tachycardia or bradycardia ... pack. ❸ Remove all ... alternate vasopressor (e.g ... #Anaphylaxis #Anesthesiology
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 #Intraoperative