14 results
Torsades de Pointes 
•Precipitated by drugs that prolong the QT interval 
•Class IA antidysrhythmics (procainamide, quinidine)
that prolong the QT ... hypomagnesemia, hypokalemia ... TorsadesDePointes #Diagnosis ... #Cardiology #ECG ... #EKG
Torsades de Pointes
• "Twisting of the pointes" 
• QRS axis swings from positive to negative direction
that prolong the QT ... Hypomagnesemia Hypokalemia ... TorsadesDePointes #Diagnosis ... #Cardiology #ECG ... #EKG
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... • QT interval is ... = QT / √ RR - ... @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 ... their validity (e.g ... clinical context & EKG ... #Management #CriticalCare
Recurrent Polymorphic VT/Torsades de Pointes - Management Algorithm
Drugs that prolong QT interval:
 • Class 1a (quinidine,
Algorithm Drugs ... that prolong QT ... Congenital long QT ... • Hypocalcemia ... #Algorithm
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
and a prolonged QT ... waves - Short QT ... waves • Short QT ... #cardiology #ecg ... #ekg #electrocardiogram
WOBBLER  for ECG assessment in Syncope 
W - Wolff Parkinson White 
O - Obstructed AV
WOBBLER for ECG ... found in long QT ... is also a short QT ... Mnemonic #Syncope #EKG ... #ECG #Diagnosis
Vasospastic (Prinzmetal) Angina
Definition / Epidemiology:
 • Rest angina attributed to coronary artery vasospasm.
 • Patients often
Raynaud, migraine, etc ... Variable troponin elevation ... changes on tele/ECG ... Prinzmetal #Angina #cardiology ... #diagnosis #management
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
arrhythmia syndromes (e.g ... ., long QT syndrome ... Hypomagnesemia • Hypokalemia ... 300 = NSVT EKG ... #differential #cardiology