11 results
Normal QT Interval Measurement
General rule: QT interval should be < 1/2 RR interval
   -
interval - Only works ... : QTc = QT / ... #Measurement #cardiology ... #diagnosis #ecg ... #ekg #electrocardiogram
Electrocardiographic Features of Digoxin Toxicity
 • Virtually any arrhythmia is possible. None specific for digoxin toxicity
None specific for digoxin ... Shortening of QT ... Electrocardiogram #ekg ... #ecg #toxicology ... #cardiology #diagnosis
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... • QT interval is ... QT / √ RR - Note ... @AmyChung #EKG ... Interpretation #ECG
Congenital Long QT Syndrome: Illness Script

Who?
 - Kids or young adults, usually < 30
 - high
Congenital Long QT ... **Get baseline EKG ... - QT prolonging ... LongQT #Syndrome #Diagnosis ... #Cardiology
Checklist Approach to Hypokalemia

Consider risk factors for arrhythmia:
 - EKG changes (especially QT prolongation)
 - Digoxin
arrhythmia: - EKG ... changes (especially QT ... prolongation) - Digoxin ... their validity (e.g ... clinical context & EKG
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
arrhythmia syndromes (e.g ... ., long QT syndrome ... Substances • Digoxin ... 300 = NSVT EKG ... #differential #cardiology
Admitting in the ICU - Checklist
VITALS: If bad, stop and go see the patient immediately; you
hyponatremia, AKI, etc ... /management of shock ... will also get an EKG ... Pearls #Checklist #diagnosis ... #workup #criticalcare
Intraoperative  Bradycardia - Guidelines for Crises in Anaesthesia
Bradycardia in theatre should not be treated as
known drug causes (eg ... etc) ... Intraoperative #Checklist #Diagnosis ... #Management #Workup ... #Cardiology
Myasthenic Crisis Checklist - Myasthenia Gravis

Evaluation 
 - Chest X-ray and lung ultrasound (exclude other lung
- Infectious workup ... Pyridostigmine - New diagnosis ... oral secretions (e.g ... MyastheniaGravis #Checklist #Management ... #CriticalCare
Stiff Person Syndrome (SPS) - Diagnosis and Management Summary

Epidemiology:
 • Prevalence: 1-2 cases per million -
unit activity on EMG ... of diazepam • EMG ... antibody that works ... EMG Studies: ... #neurology