50 results
The JT Interval and Pro-Arrhythmic Risk
Measured from the J-point to the end of the T-wave, the
and Pro-Arrhythmic ... JTc=QTc-QRS When ... #JTInterval #QTc ... pathophysiology #ekg ... #ecg #cardiology
Electrocardiographic Features of Digoxin Toxicity
 • Virtually any arrhythmia is possible. None specific for digoxin toxicity
Shortening of QT ... interval • "Scooped ... Electrocardiogram #ekg ... #ecg #toxicology ... #cardiology #diagnosis
QT / QTc Interval Measurement in Irregular Rhythms
2 Approaches:
 • Measure and calculate the QTc for
QT / QTc Interval ... on the EKG, and ... #QTc #Interval ... #diagnosis #ecg ... #ekg #electrocardiogram
Non-phasic sinus arrhythmia - ECG Diagnosis
• The P wave and PR interval are normal
• The PP
Non-phasic sinus arrhythmia ... - ECG Diagnosis ... P wave and PR interval ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram
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 ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
P wave and PR interval ... normal • The PP intervals ... • The P to P interval ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram
Normal QT Interval Measurement
General rule: QT interval should be < 1/2 RR interval
   -
Normal QT Interval ... #QTc #Interval ... #Measurement #cardiology ... #diagnosis #ecg ... #ekg #electrocardiogram
QT / QTc Interval Measurement in Wide QRS Complex
 - A wide QRS complex will lead
QT / QTc Interval ... #QTc #Interval ... Measurement #WideQRS #cardiology ... #diagnosis #ecg ... #ekg #electrocardiogram
#EKG taken on a patient with an acute pulmonary embolism with right heart strain showing tachycardia,
#EKG taken on a ... with an acute pulmonary ... pulmonaryembolism #AcutePE #criticalcare ... #cardiology #ECG
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