13 results
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
Torsades de Pointes 
•Precipitated by drugs that prolong the QT interval 
•Class IA antidysrhythmics (procainamide, quinidine)
that prolong the QT ... quinidine) •Class IC ... TorsadesDePointes #Diagnosis ... #Cardiology #ECG ... #EKG
Torsades de Pointes
• "Twisting of the pointes" 
• QRS axis swings from positive to negative direction
that prolong the QT ... quridine) Class IC ... TorsadesDePointes #Diagnosis ... #Cardiology #ECG ... #EKG
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
DANGER - Short QT ... : ↑ca - Long QT ... #Approach #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology
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
Intraoperative  Bradycardia - Guidelines for Crises in Anaesthesia
Bradycardia in theatre should not be treated as
known drug causes (eg ... Anesthesiology #Anesthesia ... Intraoperative #Checklist #Diagnosis ... #Management #Workup ... #Cardiology
Admitting in the ICU - Checklist
VITALS: If bad, stop and go see the patient immediately; you
hyponatremia, AKI, etc ... esp in work-up/management ... will also get an EKG ... Pearls #Checklist #diagnosis ... #workup #criticalcare
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
Peripartum Cardiomyopathy - Summary
1. Definition
 • Towards the end of pregnancy to 5 months postpartum
cardiomyopathy (e.g ... hemodynamics (e.g ... LVEF recovery (e.g ... (e.g., ACE/ARB) ... #management #cardiology