17 results
The JT Interval and Pro-Arrhythmic Risk
Measured from the J-point to the end of the T-wave, the
and Pro-Arrhythmic ... Bundle Branch Block ... #JTInterval #QTc ... #electrocardiogram ... #ecg #cardiology
Electrocardiographic Features of Digoxin Toxicity
 • Virtually any arrhythmia is possible. None specific for digoxin toxicity
Shortening of QT ... interval • "Scooped ... digitalis #Toxicity #Electrocardiogram ... #ekg #ecg #toxicology ... #cardiology #diagnosis
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
P wave and PR interval ... presence of AV block ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram ... #variants #clinical
Mobitz Type I (Wenckebach Phenomenon) 2nd Degree AV Block on EKG
 • P-R interval gradually increases
interval gradually ... resets • P-P interval ... #AVBlock #diagnosis ... #ECG #Electrocardiogram ... #labeled #clinical
Ventriculophasic Sinus Arrhythmia - ECG Diagnosis
 • The P to P interval encompassing a QRS complex
- ECG Diagnosis ... • The P to P interval ... shorter than the intervals ... presence of AV block ... #ekg #ecg #electrocardiogram
QT / QTc Interval Measurement in Wide QRS Complex
 - A wide QRS complex will lead
QT / QTc Interval ... not clinically ... #QTc #Interval ... WideQRS #cardiology #diagnosis ... #ecg #ekg #electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
P wave and PR interval ... presence of AV block ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram ... #variants #clinical
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
/QTC Interval: ... • QT interval is ... Interpretation #ECG ... #Electrocardiogram ... #cardiology #diagnosis
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
1º - long PR intervals ... successively longer PR intervals ... bradyarrhythmia #ECG ... #EKG #diagnosis ... #electrocardiogram
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
dextrocardia, normal Intervals ... ) - HiPR: AV block ... #Approach #ECG ... #EKG #diagnosis ... #electrocardiogram