36 results
Pericardial Effusion on EKG
 • Electrical alternans
 • Low voltage
 • Sinus tachycardia (suggests possibility of
on EKG • Electrical ... alternans • Low ... #Effusion #EKG ... #ECG #electrocardiogram ... #cardiology #diagnosis
The JT Interval and Pro-Arrhythmic Risk
Measured from the J-point to the end of the T-wave, the
JTc=QTc-QRS When ... #JTInterval #QTc ... #electrocardiogram ... pathophysiology #ekg ... #ecg #cardiology
Mobitz Type I (Wenckebach Phenomenon) 2nd Degree AV Block on EKG
 • P-R interval gradually increases
AV Block on EKG ... • P-R interval ... to 6:5 in this ECG ... AVBlock #diagnosis #cardiology ... #EKG #ECG #Electrocardiogram
QT / QTc Interval Measurement in Irregular Rhythms
2 Approaches:
 • Measure and calculate the QTc for
on the EKG, and ... #QTc #Interval ... Irregular #Rhythm #cardiology ... #diagnosis #ecg ... #ekg #electrocardiogram
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
Second Degree Heart Block, Mobitz Type I (Wenckebach)

P waves and QRS complexes are normal but... 
•
Second Degree Heart ... • PR interval ... HeartBlock #Diagnosis #Cardiology ... #EKG #ECG #Electrocardiogram
QT / QTc Interval Measurement in Wide QRS Complex
 - A wide QRS complex will lead
QT / QTc Interval ... #QTc #Interval ... Measurement #WideQRS #cardiology ... #diagnosis #ecg ... #ekg #electrocardiogram
Second Degree Heart Block, Mobitz Type II

• p waves are normal 
• QRS complexes are usually
Second Degree Heart ... branch block • PR intervals ... HeartBlock #Diagnosis #Cardiology ... #EKG #ECG #Electrocardiogram
Second degree AV Block type II (aka Mobitz II)
 • There is constant PR interval (normal
Second degree AV ... is constant PR interval ... #Second #Degree ... Type2 #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Atrial Fibrillation w/incomplete RBBB, Prolonged QTc (510ms), TWI in Leads III, V2 and V3. Inconsistent electrical
RBBB, Prolonged QTc ... Inconsistent electrical alternans ... ElectricalAlternans #RBBB #AFib #ECG ... #EKG #Electrocardiogram ... #Cardiology