20 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
Hyperkalemia after Missed Hemodialysis - Initial electrocardiogram showed peaked T waves and a prolonged QT segment
Hyperkalemia after ... and a prolonged QT ... A) #Clinical #Cardiology ... #EM #EKG #Hyperkalemia
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
Congenital Long QT Syndrome: Illness Script

Who?
 - Kids or young adults, usually < 30
 - high
Congenital Long QT ... **Get baseline EKG ... - QT prolonging ... family history) Treatment ... Syndrome #Diagnosis #Cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
Flattened T waves QT ... • QT interval is ... = QT / √ RR - ... thumb: a normal QT ... waves = severe hypokalaemia
Recurrent Polymorphic VT/Torsades de Pointes - Management Algorithm
Drugs that prolong QT interval:
 • Class 1a (quinidine,
Torsades de Pointes - Management ... Drugs that prolong QT ... Congenital long QT ... • Hypocalcemia ... (rarely) Treatment
Classic EKG triad of long QT, ST-depression, and PVCs in Hypokalemia
Worry about hypokalemia; this patient had
of long QT, ST-depression ... , and PVCs in Hypokalemia ... Worry about hypokalemia ... #ECG #Electrocardiogram ... #Cardiology #Clinical
Checklist Approach to Hypokalemia

Consider risk factors for arrhythmia:
 - EKG changes (especially QT prolongation)
 - Digoxin
Checklist Approach to Hypokalemia ... arrhythmia: - EKG ... changes (especially QT ... route = severe hypokalemia ... #Management #CriticalCare
Emergent Hyperkalemia Treatment Algorithm
ECG changes, weakness, K+ >6.5 Or renal insufficiency with K >5.5 with cellular
Emergent Hyperkalemia ... ECG changes, weakness ... ) ECG changes ... not quickly) #Hyperkalemia ... #Management
Checklist for Treatment of Delirium in the ICU 

Remove causative factors 
 - 
Exclude hypoglycemia if
Checklist for Treatment ... c deliriogenic meds ... Delirium #Checklist #Management ... #Treatment #MICU ... #CriticalCare