57 results
The JT Interval and Pro-Arrhythmic Risk
Measured from the J-point to the end of the T-wave, the
The JT Interval and ... with QRS ≥120 ms ... Interval #JTInterval #QTc ... #electrocardiogram ... #ecg #cardiology
Hypothermia on EKG
 • J (Osborn) waves
 • PR, QRS, and QT prolongation
 • Various bradyarrythmias
Hypothermia on EKG ... waves • PR, QRS, and ... QT prolongation ... #ECG #electrocardiogram ... #cardiology #diagnosis
Normal QT Interval Measurement
General rule: QT interval should be < 1/2 RR interval
   -
interval - Only works ... #QTc #Interval ... #Measurement #cardiology ... #diagnosis #ecg ... #ekg #electrocardiogram
QT / QTc Interval Measurement in Wide QRS Complex
 - A wide QRS complex will lead
QT / QTc Interval ... considered abnormal, and ... Measurement #WideQRS #cardiology ... #diagnosis #ecg ... #ekg #electrocardiogram
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
leads except aVR and ... wave (between QRS and ... Interpretation #ECG ... #Electrocardiogram ... #cardiology #diagnosis
Accelerated Idioventricular Rhythm (AIVR) on EKG
 • Regular rhythm with wide. 
 • QRS complexes >120
complexes >120 ms ... origin • Capture and ... #Rhythm #AIVR #diagnosis ... #cardiology #EKG ... #ECG #Electrocardiogram
QT / QTc Interval Measurement in Irregular Rhythms
2 Approaches:
 • Measure and calculate the QTc for
calculate the QTc ... intervals on the EKG ... Irregular #Rhythm #cardiology ... #diagnosis #ecg ... #ekg #electrocardiogram
Electrocardiographic Features of Digoxin Toxicity
 • Virtually any arrhythmia is possible. None specific for digoxin toxicity
SVT (↑ ectopy and ... Shortening of QT ... digitalis #Toxicity #Electrocardiogram ... #ekg #ecg #toxicology ... #cardiology #diagnosis
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
Approach to ECGs ... <300-360 ms: ↑ca ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #interpretation
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
Approach to ECGs ... WPW - delta wave and ... Syncope #Syndromes #ECG ... #diagnosis #cardiology ... #electrocardiogram