20 results
Normal QT Interval Measurement
General rule: QT interval should be < 1/2 RR interval
   -
Normal QT Interval ... #QTc #Interval ... #Measurement #cardiology ... #diagnosis #ecg ... #ekg #electrocardiogram
Pericardial Effusion on EKG
 • Electrical alternans
 • Low voltage
 • Sinus tachycardia (suggests possibility of
on EKGElectrical ... alternans • Low ... #Effusion #EKG ... #ECG #electrocardiogram ... #cardiology #diagnosis
QT / QTc Interval Measurement in Irregular Rhythms
2 Approaches:
 • Measure and calculate the QTc for
QT / QTc Interval ... for the QT intervals ... on the EKG, and ... #diagnosis #ecg ... #ekg #electrocardiogram
The JT Interval and Pro-Arrhythmic Risk
Measured from the J-point to the end of the T-wave, the
than prolonged QT ... #JTInterval #QTc ... #electrocardiogram ... pathophysiology #ekg ... #ecg #cardiology
QT / QTc Interval Measurement in Wide QRS Complex
 - A wide QRS complex will lead
QT / QTc Interval ... increase in the QT ... #QTc #Interval ... #diagnosis #ecg ... #ekg #electrocardiogram
Atrial Fibrillation w/incomplete RBBB, Prolonged QTc (510ms), TWI in Leads III, V2 and V3. Inconsistent electrical
RBBB, Prolonged QTc ... alternans - Mark ... ElectricalAlternans #RBBB #AFib #ECG ... #EKG #Electrocardiogram ... #Cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... • QT interval is ... QT / √ RR - Note ... @AmyChung #EKG ... Interpretation #ECG
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
QT / QTc Interval Measurement in Prominent U Wave
If the U wave is distinct from the
QT / QTc Interval ... measurement of the QT ... #QTc #Interval ... #diagnosis #ecg ... #ekg #electrocardiogram
Large Pericardial Effusion on POCUS 

Good example of swinging heart in pre tamponade. Reason for electrical
Effusion on POCUS ... alternans in pericardial ... EKG from same patient ... #alternans #POCUS ... A4C #Clinical #Cardiology