13 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
ECG Cheat Sheet

ECG rapid view: It is organized roughly how one would typically read an ECG.
ECG Cheat Sheet ... , Hypertrophy (atrial ... Intervals (PR, QRS, QT ... infarction #ECG ... #Cribsheet #Electrocardiogram
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
(EKG) Digoxin ... Digoxin effect on ECG ... waves - Short QT ... #EKG #Cardiology ... #Digitalis #ECG
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
Hyperkalemia after Missed Hemodialysis - Initial electrocardiogram showed peaked T waves and a prolonged QT segment
Hyperkalemia after ... Hemodialysis - Initial electrocardiogram ... and a prolonged QT ... 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 ... , and PVCs in Hypokalemia ... LongQTC #PVCs #EKG ... #ECG #Electrocardiogram
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... (e.g. ectopic atrial ... = QT / √ RR - ... @AmyChung #EKG ... Interpretation #ECG
Short QT Syndrome
Short QT syndrome (SQTS) is a very rare, recently described syndrome in which an
Short QT Syndrome ... Short QT syndrome ... patients with SQTS Hypercalcemia ... diagnosis #cardiology #ecg ... #ekg #electrocardiogram
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
ICD/pacer - QTc ... DANGER - Short QT ... : ↑ca - Long QT ... #Approach #ECG ... #EKG #diagnosis
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
Hyperkalemia shortens ... prolonged PR and QT ... #Diagnosis #Hyperkalemia ... #EKG #ECG #Changes ... #Progression #Table