14 results
Normal QT Interval Measurement
General rule: QT interval should be < 1/2 RR interval
   -
Measurement General ... Bazett's Formula ... : QTc = QT / ... #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 ... . sinus bradycardia ... #ECG #electrocardiogram ... #cardiology #diagnosis
QT / QTc Interval Measurement in Wide QRS Complex
 - A wide QRS complex will lead
QT / QTc Interval ... Measurement in ... #Measurement #WideQRS ... #cardiology #diagnosis ... #ecg #ekg #electrocardiogram
QT / QTc Interval Measurement in Irregular Rhythms
2 Approaches:
 • Measure and calculate the QTc for
Measurement in ... #Measurement #Irregular ... #Rhythm #cardiology ... #diagnosis #ecg ... #ekg #electrocardiogram
QT / QTc Interval Measurement in Prominent U Wave
If the U wave is distinct from the
Measurement in ... include it in the measurement ... #Measurement #UWave ... #cardiology #diagnosis ... #ecg #ekg #electrocardiogram
Hyperkalemia on EKG
"Mild" Hyperkalemia
 • Peaked, narrow-based T Waves
 • Double counting of HR by EKG
Hyperkalemia on EKG ... widening • Sinus bradycardia ... waves • Pseudo-STEMI ... #ECG #electrocardiogram ... #cardiology #diagnosis
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
heart rate • Bazett ... hypokalaemia or bradycardia ... WolffParkinson-White syndrome ... #Electrocardiogram ... #cardiology #diagnosis
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
60 (1) Sinus bradycardia ... (2) Sick Sinus Syndrome ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #differential
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
- Syncope Syndromes ... mchlwng #Syncope #Syndromes ... #ECG #EKG #Checklist ... #diagnosis #cardiology ... #electrocardiogram
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
point • De Winter syndrome ... #Equivalents #ECG ... #EKG #diagnosis ... #differential #cardiology ... #electrocardiogram