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diagnosis anesthesia management workup intraoperative differential cardiology ekg stemi cardiac equivalents ischemia anaphylaxis block central elevation embolism embolus high hyperthermia
STEMI Equivalents on ECG • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
Equivalents on ECG ... J point • De Winter ... V2 • Wellens sign ... pain • Wellens sign ... differential #cardiology #electrocardiogram
Approach to ECGs - Ischemia MI = Biomarkers + ECG or echo/angiogram findings Pathologic Q - 1/3 height
Approach to ECGs ... = Biomarkers + ECG ... Equivalents / Don't Miss Signs ... bigger than QRS - deWinter ... #electrocardiogram
Causes of ST Segment Elevation - Differential Diagnosis Framework STEMI: • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... STE: "Pardee's sign ... (Eiffel Tower sign ... voltage Other Causes ... #ekg #electrocardiogram
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia If prolonged or ≥ 39 C this is a
maintained fever CAUSES ... hyperthermia crisis (late sign ... #Differential #Causes ... #Anesthesiology ... #Anesthesia #Checklist
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia If the patient is unconscious, signs of cardiac
is unconscious, signs ... depression • T wave ... CM5 continuous ECG ... Ischemia #Ischaemia #Anesthesiology ... Intraoperative #Checklist
Cardiac Tamponade - Guidelines for Crises in Anaesthesia Caused by an accumulation of blood, pus, effusion fluid
, e.g. central line ... pericardiocentesis kit (eg ... examination and vital signs ... Cardiac #Tamponade #Anesthesiology ... Intraoperative #Checklist
High Central Neuraxial Block - Guidelines for Crises in Anaesthesia • Can occur with deliberate or accidental
of unrelieved aorto-caval ... that may mimic signs ... • Obstetric aorto-caval ... Neuraxial #Block #Anesthesiology ... Intraoperative #Checklist
Intraoperative Circulatory Embolus - Guidelines for Crises in Anaesthesia Causes: thrombus, fat, amniotic fluid, air/gas. Signs: hypotension, tachycardia,
in Anaesthesia Causes ... Signs: hypotension ... Consider thrombolysis e.g ... Embolism #VTE #Anesthesiology ... Intraoperative #Checklist
Intraoperative Anaphylaxis - Guidelines for Crises in Anaesthesia • Unexplained hypotension • Unexplained bronchospasm (wheeze may be absent
arrest where other causes ... of more of the signs ... alternate vasopressor (e.g ... #Anaphylaxis #Anesthesiology ... Intraoperative #Checklist
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