7 results
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
Normal QT Interval Measurement
General rule: QT interval should be < 1/2 RR interval
   -
Normal QT Interval ... rule: QT interval ... = QT / Sqrt(RR) ... #cardiology #diagnosis ... #ecg #ekg #electrocardiogram
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 ... #Rhythm #cardiology ... #diagnosis #ecg
QT / QTc Interval Measurement in Prominent U Wave
If the U wave is distinct from the
QT / QTc Interval ... of the QT interval ... EricsMedicalLectures/ #QT ... #cardiology #diagnosis ... #ecg #ekg #electrocardiogram
TCA Overdose on EKG
 • Sinus tachycardia
 • QRS prolongation
 • QT prolongation
 • Rightward deviation
TCA Overdose on EKG ... prolongation • QT ... #ECG #electrocardiogram ... #cardiology #diagnosis ... #clinical #criteria
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
small boxes) - WideQRS ... DANGER - Short QT ... : ↑ca - Long QT ... #EKG #diagnosis ... electrocardiogram #cardiology
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
prolonged PR and QT ... disappear, QRS widens ... #Diagnosis #Hyperkalemia ... #EKG #ECG #Changes ... #Progression #Table