49 results
QT / QTc Interval Measurement in Irregular Rhythms
2 Approaches:
 • Measure and calculate the QTc for
QT / QTc Interval ... on the EKG, and ... Irregular #Rhythm #cardiology ... #diagnosis #ecg ... #ekg #electrocardiogram
The JT Interval and Pro-Arrhythmic Risk
Measured from the J-point to the end of the T-wave, the
The JT Interval ... than prolonged QT ... #electrocardiogram ... pathophysiology #ekg ... #ecg #cardiology
Hypothermia on EKG
 • J (Osborn) waves
 • PR, QRS, and QT prolongation
 • Various bradyarrythmias
Hypothermia on EKG ... • PR, QRS, and QT ... osborn #waves #EKG ... #ECG #electrocardiogram ... #cardiology #diagnosis
ECG Cheat Sheet

ECG rapid view: It is organized roughly how one would typically read an ECG.
EKG cheat sheet ... atrial, ventricle), Intervals ... (PR, QRS, QT), ... #Cribsheet #Electrocardiogram ... #Diagnosis #Reference
Normal QT Interval Measurement
General rule: QT interval should be < 1/2 RR interval
   -
Normal QT Interval ... General rule: QT ... #Measurement #cardiology ... #diagnosis #ecg ... #ekg #electrocardiogram
First, Second (Type 1 and Type 2), and Third Degree Heart Blocks - Comparison

#HeartBlocks #Comparison #First
Heart Blocks - Comparison ... #HeartBlocks #Comparison ... Second #Third #Cardiology ... #ECG #EKG #Electrocardiogram ... #Diagnosis #Table
TCA Overdose on EKG
 • Sinus tachycardia
 • QRS prolongation
 • QT prolongation
 • Rightward deviation
TCA Overdose on EKG ... prolongation • QT ... antidepressants #EKG ... #ECG #electrocardiogram ... #cardiology #diagnosis
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Digoxin effect on Electrocardiogram ... waves - Short QT ... interval Dr. ... Digoxin #effect #Electrocardiogram ... #EKG #Cardiology
ECG Interpretation Basics Quick Reference
- Rhythm and Rate
- QRS / Blocks
- Intervals
- Axis
- Chambers
- ST/T/Q (Ischemia)

By
ECG Interpretation ... QRS / Blocks - Intervals ... Interpretation #Basics #EKG ... #Electrocardiogram ... #Cardiology #Diagnosis
Torsades de Pointes 
•Precipitated by drugs that prolong the QT interval 
•Class IA antidysrhythmics (procainamide, quinidine)
that prolong the QT ... interval •Class ... TorsadesDePointes #Diagnosis ... #Cardiology #ECG ... #EKG