6 results
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
Ischaemia - Guidelines ... of cardiac ischaemia ... ischaemia ❶ ... possible. ❺ If ischaemia ... #Cardiac #Ischemia
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 ... V2 • Wellens sign ... pain • Wellens sign ... deviation) • Acute ischemia ... #differential #cardiology
Atrial Fibrillation (A-Fib) Summary

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

Why?
Cardiac:
	• Valvular heart
Cardiac: • Valvular ... Decompensated HF • New ischemia ... • Absence of P waves ... #diagnosis #management ... #cardiology
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
other causes of cardio-pulmonary ... Arrhythmia* (e.g., A-Fib ... • Dominant R Wave ... ECG leads) RV Ischemia ... AcutePE #diagnosis #cardiology
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
complications from anesthesia ... exam Determine Cardiac ... history of: a) Ischemic ... one post op Cardiology ... medical and surgical management