25 results
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
Pericardial Effusion on EKG
 • Electrical alternans
 • Low voltage
 • Sinus tachycardia (suggests possibility of
Pericardial Effusion ... alternans • Low ... EricsMedicalLectures/ #Pericardial ... #Effusion #EKG ... #ECG #electrocardiogram
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
QT / QTc Interval Measurement in Irregular Rhythms
2 Approaches:
 • Measure and calculate the QTc for
QT / QTc Interval ... for the QT intervals ... #QTc #Interval ... cardiology #diagnosis #ecg ... #ekg #electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... abberancy - N B Afib ... 1º - long PR intervals ... successively longer PR intervals ... #electrocardiogram
QT / QTc Interval Measurement in Wide QRS Complex
 - A wide QRS complex will lead
QT / QTc Interval ... prolongation of the QTC ... #QTc #Interval ... cardiology #diagnosis #ecg ... #ekg #electrocardiogram
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
Waves/Fibrillary = afib ... /QTC Interval: ... • QT interval is ... Interpretation #ECG ... #Electrocardiogram
Electrical Alternans on POCUS Echocardiogram
You dissect the EKG and note low voltage tachycardia with a hint
Electrical Alternans ... on POCUS Echocardiogram ... You dissect the EKG ... POCUS ECHO performed ... clinical #effusion #pericardial
Normal QT Interval Measurement
General rule: QT interval should be < 1/2 RR interval
   -
Normal QT Interval ... interval should ... #QTc #Interval ... cardiology #diagnosis #ecg ... #ekg #electrocardiogram
Hypothermia on EKG
 • J (Osborn) waves
 • PR, QRS, and QT prolongation
 • Various bradyarrythmias
Hypothermia on EKG ... • PR, QRS, and QT ... bradyarrythmias (e.g ... bradycardia, a fib ... #ECG #electrocardiogram