14 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
QT / QTc Interval Measurement in Irregular Rhythms
2 Approaches:
 • Measure and calculate the QTc for
QT / QTc Interval ... Eric Strong @DrEricStrong ... - Strong Medicine ... Irregular #Rhythm #cardiology ... #diagnosis #ecg
Hypothermia on EKG
 • J (Osborn) waves
 • PR, QRS, and QT prolongation
 • Various bradyarrythmias
• PR, QRS, and QT ... Eric Strong @DrEricStrong ... - Strong Medicine ... #cardiology #diagnosis ... #clinical
TCA Overdose on EKG
 • Sinus tachycardia
 • QRS prolongation
 • QT prolongation
 • Rightward deviation
prolongation • QT ... Eric Strong @DrEricStrong ... - Strong Medicine ... #cardiology #diagnosis ... #clinical #criteria
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
Short QT Syndrome
Short QT syndrome (SQTS) is a very rare, recently described syndrome in which an
patients with SQTS Hypercalcemia ... Eric Strong @DrEricStrong ... - Strong Medicine ... #Syndrome #diagnosis ... #cardiology #ecg
Hyperkalemia on EKG
"Mild" Hyperkalemia
 • Peaked, narrow-based T Waves
 • Double counting of HR by EKG
EKG "Mild" Hyperkalemia ... Eric Strong @DrEricStrong ... - Strong Medicine ... #cardiology #diagnosis ... #clinical
QT / QTc Interval Measurement in Wide QRS Complex
 - A wide QRS complex will lead
QT / QTc Interval ... not clinically ... - Strong Medicine ... Measurement #WideQRS #cardiology ... #diagnosis #ecg
Wolff-Parkinson-White Syndrome

WPW is a congenital abnormality characterized by an abnormal accessory conduction pathway between the atria
and widened QRS interval ... . 1 Slurred upstroke ... ) 3 Short PR interval ... WolffParkinsonWhite #WPW #Cardiology ... #Clinical #Diagnosis
QT / QTc Interval Measurement in Prominent U Wave
If the U wave is distinct from the
QT / QTc Interval ... Eric Strong @DrEricStrong ... - Strong Medicine ... Measurement #UWave #cardiology ... #diagnosis #ecg