8 results
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
Approach to ECGs - Ischemia ... Equivalents / Don't Miss Signs ... of Ischemia - ... bigger than QRS - deWinter ... Wong @mchlwng #Ischemia
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
J point • De Winter ... symmetrical T-waves ... V2 • Wellens sign ... pain • Wellens sign ... deviation) • Acute ischemia
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
is unconscious, signs ... of cardiac ischaemia ... depression • T wave ... Intraoperative #Checklist ... #Diagnosis #Management
High Central Neuraxial Block - Guidelines for Crises in Anaesthesia
• Can occur with deliberate or accidental
Central Neuraxial Block ... that may mimic signs ... Central #Neuraxial #Block ... Intraoperative #Checklist ... #Diagnosis #Management
Bradycardia
1) First Steps: IV, O2, Monitors, ECG, Pads on patient, Crash Cart in room. Is patient
worsening brady, Signs ... Pain • ECG: Bad block ... Ischemia? ... Patients DIE: Drugs, Ischemia ... #differential #management
Local Anaesthetic Toxicity - Guidelines for Crises in Anaesthesia
Signs of severe toxicity:
 • Sudden alteration in
in Anaesthesia Signs ... bradycardia, conduction blocks ... Intraoperative #Checklist ... #Diagnosis #Management
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
effects of neuraxial block ... : o Cardiac ischaemia ... Intraoperative #Checklist ... #Diagnosis #Management
Atrial Fibrillation (A-Fib) Summary

Symptoms:
• Palpitations, light-headedness, dizziness, dyspnea, exercise intolerance, chest pain, near-syncope, syncope.

Why?
Cardiac:
	• Valvular heart
Decompensated HF • New ischemia ... • Absence of P waves ... bundle branch block ... AFib #diagnosis #management