16 results
TCA Overdose on EKG
 • Sinus tachycardia
 • QRS prolongation
 • QT prolongation
 • Rightward deviation
prolongation • QT ... antidepressants #EKG #ECG #electrocardiogram ... #cardiology #diagnosis ... #clinical #criteria
Normal QT Interval Measurement
General rule: QT interval should be < 1/2 RR interval
   -
Normal QT Interval ... Measurement General ... Interval #Normal #Measurement ... #cardiology #diagnosis ... #ecg #ekg #electrocardiogram
QT / QTc Interval Measurement in Prominent U Wave
If the U wave is distinct from the
QT / QTc Interval ... Measurement in ... #UWave #cardiology ... #diagnosis #ecg ... #ekg #electrocardiogram
QT / QTc Interval Measurement in Irregular Rhythms
2 Approaches:
 • Measure and calculate the QTc for
Measurement in ... QTc #Interval #Measurement ... Irregular #Rhythm #cardiology ... #diagnosis #ecg ... #ekg #electrocardiogram
QT / QTc Interval Measurement in Wide QRS Complex
 - A wide QRS complex will lead
Measurement in ... QTc #Interval #Measurement ... #WideQRS #cardiology ... #diagnosis #ecg ... #ekg #electrocardiogram
Torsades de Pointes
• "Twisting of the pointes" 
• QRS axis swings from positive to negative direction
axis swings from positive ... Originates from single focus ... that prolong the QT ... TorsadesDePointes #Diagnosis ... #Cardiology #ECG
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
with Aberration - Interpretation ... Positive or negative ... Morphology criteria ... Aberrancy #Comparison #Diagnosis ... #Cardiology
Algorithm for the Evaluation of Regular, Wide-Complex Tachycardia
1. aVR: Is the initial deflection in aVR positive?
deflection in aVR positive ... Tachycardia #Evaluation #Interpretation ... #ECG #EKG #Electrocardiogram ... #Diagnosis #Cardiology
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
DANGER - Short QT ... : ↑ca - Long QT ... Approach #ECG #EKG #diagnosis ... #electrocardiogram ... #cardiology #interpretation
Normal Sinus Rhythm - ECG Diagnosis
Normal sinus rhythm (NSR) is an impulse that originates in the
Sinus Rhythm - ECG Diagnosis ... often biphasic (positive-negative ... SinusRhythm #nsr #cardiology ... #ecg #electrocardiogram ... #criteria