22 results
Torsades de Pointes 
•Precipitated by drugs that prolong the QT interval 
•Class IA antidysrhythmics (procainamide, quinidine)
that prolong the QT ... interval •Class ... hypomagnesemia, hypokalemia ... TorsadesDePointes #Diagnosis #Cardiology ... #ECG #EKG
Hypokalemia on EKG 

Patient presenting with severe weakness.  Patient had GI bug with vomiting/diarrhea.
Hypokalemia on EKG ... leads with long QU interval ... RJonesSonoEM #UWaves #Hypokalemia ... #EKG #ECG #Electrocardiogram ... #cardiology #clinical
QT / QTc Interval Measurement in Wide QRS Complex
 - A wide QRS complex will lead
QT / QTc Interval ... not clinically ... #QTc #Interval ... #diagnosis #ecg ... #ekg #electrocardiogram
Torsades de Pointes
• "Twisting of the pointes" 
• QRS axis swings from positive to negative direction
that prolong the QT ... interval ... Hypomagnesemia Hypokalemia ... TorsadesDePointes #Diagnosis #Cardiology ... #ECG #EKG
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... junction origin (e.g ... within the atria (e.g ... @AmyChung #EKG ... Interpretation #ECG
This one at K = 2.4
The down up morphology remains
The computer measures the QT at 565
at 565 ms, QTc ... measuring the QU-interval ... , not the QT) - ... smithECGBlog #Clinical ... #ECG #EKG #Hypokalemia
Checklist Approach to Hypokalemia

Consider risk factors for arrhythmia:
 - EKG changes (especially QT prolongation)
 - Digoxin
arrhythmia: - EKG ... changes (especially QT ... their validity (e.g ... context & EKG) ... #Management #CriticalCare
Hyperkalemia after Missed Hemodialysis - Initial electrocardiogram showed peaked T waves and a prolonged QT segment
Hyperkalemia after ... and a prolonged QT ... segment (Panel A) #Clinical ... #Cardiology #EM ... #EKG #Hyperkalemia
Classic EKG triad of long QT, ST-depression, and PVCs in Hypokalemia
Worry about hypokalemia; this patient had
Classic EKG triad ... of long QT, ST-depression ... LongQTC #PVCs #EKG ... #ECG #Electrocardiogram ... #Cardiology #Clinical
Recurrent Polymorphic VT/Torsades de Pointes - Management Algorithm
Drugs that prolong QT interval:
 • Class 1a (quinidine,
Torsades de Pointes - Management ... interval: • Class ... Hypomagnesemia • Hypokalemia ... • Hypocalcemia ... TorsadesdePointes #TDP #Management