62 results
QT / QTc Interval Measurement in Irregular Rhythms
2 Approaches:
 • Measure and calculate the QTc for
QT / QTc Interval ... Measurement in Irregular Rhythms ... the associated QT ... Measurement #Irregular #Rhythm ... cardiology #diagnosis #ecg
ECG Cheat Sheet

ECG rapid view: It is organized roughly how one would typically read an ECG.
ECG Cheat Sheet ... doctor: Rate, Rhythm ... atrial, ventricle), Intervals ... (PR, QRS, QT), ... infarction #ECG
Hypothermia on EKG
 • J (Osborn) waves
 • PR, QRS, and QT prolongation
 • Various bradyarrythmias
Hypothermia on EKG ... • PR, QRS, and QT ... bradyarrythmias (e.g ... response, junctional rhythm ... #ECG #electrocardiogram
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... (constant R-R Interval ... (variable R-R interval ... setting of long QT ... Differential #Diagnosis #Algorithm
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
in 10s x 6 2) Rhythm ... ectopic atrial rhythm ... • QT interval is ... formula: QTC = QT ... Interpretation #ECG
ECG Interpretation Basics Quick Reference
- Rhythm and Rate
- QRS / Blocks
- Intervals
- Axis
- Chambers
- ST/T/Q (Ischemia)

By
ECG Interpretation ... Quick Reference - Rhythm ... QRS / Blocks - Intervals ... @sargsyanz #ECG ... Interpretation #Basics #EKG
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 ... interval in patients ... pathophysiology #ekg ... #ecg #cardiology
Torsades de Pointes 
•Precipitated by drugs that prolong the QT interval 
•Class IA antidysrhythmics (procainamide, quinidine)
that prolong the QT ... interval •Class ... Diagnosis #Cardiology #ECG ... #EKG
Junctional Rhythms - Junctional rhythm describes an abnormal heart rhythm resulting from impulses coming from a
Junctional Rhythms ... - Junctional rhythm ... abnormal heart rhythm ... coming from a locus ... Cardiology #MedStudent #EKG
Torsades de Pointes
• "Twisting of the pointes" 
• QRS axis swings from positive to negative direction
Originates from single focus ... that prolong the QT ... interval ... Diagnosis #Cardiology #ECG ... #EKG