11 results
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
is unconscious, signs ... depression • T wave ... #Anesthesia #Intraoperative ... #Checklist #Diagnosis ... #Management #Workup
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 ... #ECG #EKG #diagnosis
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 ... #EKG #diagnosis
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
- Differential Diagnosis ... STE: "Pardee's sign ... block; and sinus tachycardia ... • Hypercalcemia ... #ekg #electrocardiogram
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
• Myocardial ischemia ... Hypomagnesemia • Hypokalemia ... • Underlying ischemic ... 300 = NSVT EKG ... Differential Diagnosis
Intraoperative Circulatory Embolus - Guidelines for Crises in Anaesthesia
Causes: thrombus, fat, amniotic fluid, air/gas.
Signs: hypotension, tachycardia,
Signs: hypotension ... , tachycardia, hypoxemia ... over 2 h (>65 kg ... Intraoperative #Checklist #Diagnosis ... #Management #Workup
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Hyperkalemia - Diagnosis ... /crush injury, ischemia ... reabsorption) Workup ... bradycardia → sine wave ... Monitor for tachycardia
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
non-sinus → 2-7 Tachycardia ... : o Cardiac ischaemia ... Anesthesiology #Anesthesia ... Intraoperative #Checklist #Diagnosis ... #Management #Workup
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Hypertension - Workup ... and Differential Diagnosis ... hypertension and signs ... renal bruit or signs ... Coarctation of aorta
Malignant Hyperthermia Crisis - Guidelines for Crises in Anaesthesia
Unexplained increase in ETCO2 AND tachycardia AND increased
increase in ETCO2 AND tachycardia ... rise is a late sign ... with dantrolene Hyperkalaemia ... Anesthesiology #Anesthesia ... #Management #Workup