10 results
QT / QTc Interval Measurement in Irregular Rhythms
2 Approaches:
 • Measure and calculate the QTc for
QT / QTc Interval ... the associated QT ... for the QT intervals ... #cardiology #diagnosis ... #ecg #ekg #electrocardiogram
Normal QT Interval Measurement
General rule: QT interval should be < 1/2 RR interval
   -
Normal QT Interval ... General rule: QT ... = QT / Sqrt(RR) ... #cardiology #diagnosis ... #ecg #ekg #electrocardiogram
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
Flattened T waves QT ... • QT interval is ... = QT / √ RR - ... QT is less than ... #cardiology #diagnosis
TCA Overdose on EKG
 • Sinus tachycardia
 • QRS prolongation
 • QT prolongation
 • Rightward deviation
prolongation • QT ... antidepressants #EKG #ECG #electrocardiogram ... #cardiology #diagnosis ... #clinical #criteria
Hypothermia on EKG
 • J (Osborn) waves
 • PR, QRS, and QT prolongation
 • Various bradyarrythmias
• PR, QRS, and QT ... response, junctional rhythm ... waves #EKG #ECG #electrocardiogram ... #cardiology #diagnosis
QT / QTc Interval Measurement in Wide QRS Complex
 - A wide QRS complex will lead
QT / QTc Interval ... increase in the QT ... Measurement #WideQRS #cardiology ... #diagnosis #ecg ... #ekg #electrocardiogram
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
QRS in 6s x 10 Rhythm ... ICD/pacer - QTc ... DANGER - Short QT ... : ↑ca - Long QT ... #electrocardiogram
Normal Sinus Rhythm - ECG Diagnosis
Normal sinus rhythm (NSR) is an impulse that originates in the
Normal Sinus Rhythm ... Normal sinus rhythm ... SinusRhythm #nsr #cardiology ... #ecg #electrocardiogram ... #criteria
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
- Differential Diagnosis ... Abnormal Beats ... setting of long QT ... tachyarrhythmias #Cardiology ... #Differential #Diagnosis
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
and a prolonged QT ... waves - Short QT ... ST Elevation of Normal ... waves • Short QT ... #cardiology #ecg