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management anesthesia anesthesiology intraoperative differential cardiology ekg criticalcare treatment cardiac bradycardia clinical foamed hyperkalemia icu neurology syncope tachycardia admissions admitting
Normal QT Interval Measurement General rule: QT interval should be < 1/2 RR interval -
interval - Only works ... Bazett's Formula: QTc ... #QTc #Interval ... Measurement #cardiology #diagnosis ... #ecg #ekg #electrocardiogram
Approach to ECGs - Syncope Syndromes Electrolytes • ↑K - brady, peak T, wide QRS, no P,
Approach to ECGs ... Syncope #Syndromes #ECG ... #EKG #Checklist ... #diagnosis #cardiology ... #electrocardiogram
Common Medications Known to Prolong QTc Antiarrhythmics - Amiodarone, sotalol, flecainide, quinidine, dronedarone, dofetilide Vasopressors/inotropes - Epinephrine, norepinephrine,
Known to Prolong QTc ... #Medications #Causes ... #differential #diagnosis ... #pharmacology # ... table
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia. - At
repolarization causes ... prolonged PR and QT ... #Diagnosis #Hyperkalemia ... #EKG #ECG #Changes ... #Progression #Table
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia If prolonged or ≥ 39 C this is a
maintained fever CAUSES ... #Differential #Causes ... Anesthesiology #Anesthesia #Checklist ... #Diagnosis #Management ... #Workup
Approach to ECGs - Tachy/Bradyarrhythmias Tachyarrhythmias - HR > 100 Wide (1) VT - DANGER (2)
Approach to ECGs ... 200ms from longer pause ... bradyarrhythmia #ECG ... #EKG #diagnosis ... #electrocardiogram
How do you work up an ischemic CVA? A) Initial Evaluation • ABCs • IV access, monitor
How do you work ... Evaluate underlying cause ... Cardioembolic: • ECG ... #CVA #stroke #workup ... #diagnosis #checklist
Cardiac Tamponade - Guidelines for Crises in Anaesthesia Caused by an accumulation of blood, pus, effusion fluid
, e.g. central line ... tube ❹ Rapid diagnosis ... • Diagnostic ... Intraoperative #Checklist ... #Workup
Hypotension - Guidelines for Crises in Anaesthesia Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
and positioning (e.g ... (eg steroid dependency ... Intraoperative #Checklist ... #Diagnosis #Management ... #Workup
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia If the patient is unconscious, signs of cardiac
CM5 continuous ECG ... Obtain a 12-lead ECG ... Intraoperative #Checklist ... #Diagnosis #Management ... #Workup
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