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diagnosis anesthesia checklist workup intraoperative cardiology neurology ecg electrocardiogram equivalents rheumatology stemi treatment vasculitis als amyotrophic arteritis b12 bells block
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 ... bigger than QRS - deWinter ... #ECG #EKG #diagnosis ... Interpretation #differential
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia If the patient is unconscious, signs of cardiac
is unconscious, signs ... depression • T wave ... is conscious, symptoms ... #Ischaemia #Anesthesiology ... Checklist #Diagnosis #Management
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 #
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia If prolonged or ≥ 39 C this is a
maintained fever CAUSES ... hyperthermia crisis (late sign ... #Hyperthermia #Differential ... #Causes #Anesthesiology ... Checklist #Diagnosis #Management
Premature Ventricular Complexes (PVC's) - Summary Framework Why PVCs? Can be the first manifestation of cardiac
• Myocardial ischemia ... • Underlying ischemic ... Digoxin toxicity Symptoms ... 300 = NSVT EKG ... may not occur Differential
Hypotension - Guidelines for Crises in Anaesthesia Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
and positioning (e.g ... : o Cardiac ischaemia ... #Hypotension #Differential ... #Anesthesiology ... Checklist #Diagnosis #Management
High Central Neuraxial Block - Guidelines for Crises in Anaesthesia • Can occur with deliberate or accidental
• Symptoms are ... that may mimic signs ... and symptoms, including ... Neuraxial #Block #Anesthesiology ... Checklist #Diagnosis #Management
Intraoperative Circulatory Embolus - Guidelines for Crises in Anaesthesia Causes: thrombus, fat, amniotic fluid, air/gas. Signs: hypotension, tachycardia,
in Anaesthesia Causes ... Signs: hypotension ... decreased ETCO2 Symptoms ... over 2 h (>65 kg ... Embolism #VTE #Anesthesiology
Leukostasis vs Tumor Lysis Syndrome Leukostasis: • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
high WBC count cause ... AKI, acute limb ischemia ... WBC >100k, + lab signs ... unless worrisome EKG ... TLS #diagnosis #management
Vitamin B12 (Cobalamin) Deficiency Etiology: • Vit B12 - aka cobalamin. Present in foods derived from animal
• Common Causes ... hypoxia and organ ischemia ... to manifest its symptoms ... , alcohol use, symptoms ... Deficiency #diagnosis #management
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