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diagnosis differential cardiology ecg management hematology electrocardiogram nephrology endocrinology obgyn treatment pediatrics peds pharmacology hyperkalemia interval msk neurology orthopedics qtc
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 ... #JTInterval #QTc ... 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
Digoxin effect on Electrocardiogram (EKG) Digoxin is a cardiac glycoside from the foxglove leaf Mechanism - Inhibits Na-K
Electrocardiogram (EKG ... nodal conduction Uses ... waves - Short QT ... interval Dr. ... Electrocardiogram #EKG
EKG Interpretation Cheat Sheet 1) Rate - Regular - Count-Off - Irregular - Count number
Flattened T waves QT ... • QT interval is ... formula: QTC = QT ... thumb: a normal QT ... @AmyChung #EKG
Electrocardiographic Features of Digoxin Toxicity • Virtually any arrhythmia is possible. None specific for digoxin toxicity
Shortening of QT ... interval • "Scooped ... Electrocardiogram #ekg ... #ecg #toxicology
Normal QT Interval Measurement General rule: QT interval should be < 1/2 RR interval -
Normal QT Interval ... General rule: QT ... in seconds) #QT ... cardiology #diagnosis #ecg ... #ekg #electrocardiogram
Torsades de Pointes • "Twisting of the pointes" • QRS axis swings from positive to negative direction
that prolong the QT ... interval ... Diagnosis #Cardiology #ECG ... #EKG
Arrhythmias - Differential Diagnosis Algorithm Bradyarrhythmia (<60 bpm) • Sinus Bradycardia • Sick Sinus Syndrome • SA
Differential Diagnosis Algorithm ... (constant R-R Interval ... setting of long QT ... Differential #Diagnosis #Algorithm ... #causes
QT / QTc Interval Measurement in Irregular Rhythms 2 Approaches: • Measure and calculate the QTc for
QT / QTc Interval ... the associated QT ... the QTc for the QT ... intervals on the EKG ... #ekg #electrocardiogram
Recurrent Polymorphic VT/Torsades de Pointes - Management Algorithm Drugs that prolong QT interval: • Class 1a (quinidine,
Pointes - Management Algorithm ... Drugs that prolong QT ... interval: • Class ... Congenital long QT ... 1b (lidocaine)- case
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