10 results
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
of cardiac ischaemia ... -lead ECG machine ... CM5 continuous ECG ... ECG as soon as ... #Cardiac #Ischemia
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
- Ischemia MI ... = Biomarkers + ECG ... of Ischemia - ... Wong @mchlwng #Ischemia ... #ECG #EKG #diagnosis
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
Equivalents on ECG ... J point • De Winter ... deviation) • Acute ischemia ... #Equivalents #ECG ... #EKG #diagnosis
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
and positioning (e.g ... ischaemia → 3-12 ... Endocrine cause (eg ... Anesthesiology #Anesthesia ... Checklist #Diagnosis #Management
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
dietary intake (e.g ... hypoxia and organ ischemia ... (e.g. ... other diagnosis e.g ... Deficiency #diagnosis #management
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
AKI, acute limb ischemia ... WBC >100k, + lab signs ... unless worrisome EKG ... with tetany or cardiac ... TLS #diagnosis #management
The chemical formula of Digoxin is C41 H64 O14.
Digoxin (Cardiac glycoside) reversibly inhibits the sodium-potassium-ATPase, causing
Digoxin (Cardiac ... comorbid conditions (eg ... hypercalcemia, myocardial ischemia ... often the first sign ... effect" on the ECG
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
/crush injury, ischemia ... heparinized tube) • ECG ... bradycardia → sine wave ... line, stabilizes cardiac ... ileus/obstruction (ischemia
Intraoperative Hypoxia / Desaturation / Cyanosis - Guidelines for Crises in Anaesthesia
Using these steps from start
-lead ECG, chest ... ischaemia (or infarction ... ) → 3-12 o Cardiac ... Diagnosis #Workup #Management ... #Workup #anesthesia
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
complications from anesthesia ... history of: a) Ischemic ... indicated • EKG ... Obtain EKG if: ... medical and surgical management