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diagnosis differential cardiology ekg management electrocardiogram hematology endocrinology nephrology obgyn treatment hepatology hyperkalemia neurology obstetrics pediatrics peds acute chronic classification
The JT Interval and Pro-Arrhythmic Risk Measured from the J-point to the end of the T-wave, the
The JT Interval ... T-wave, the JT interval ... than prolonged QT ... pathophysiology #ekg ... #ecg #cardiology
ECG Cheat Sheet ECG rapid view: It is organized roughly how one would typically read an ECG.
ECG Cheat Sheet ... ECG rapid view ... typically read an ECG ... atrial, ventricle), Intervals ... (PR, QRS, QT),
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
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 ... on the EKG, and ... cardiology #diagnosis #ecg
Digoxin effect on Electrocardiogram (EKG) Digoxin is a cardiac glycoside from the foxglove leaf Mechanism - Inhibits Na-K
nodal conduction Uses ... Digoxin effect on ECG ... waves - Short QT ... interval Dr. ... Cardiology #Digitalis #ECG
Torsades de Pointes • "Twisting of the pointes" • QRS axis swings from positive to negative direction
that prolong the QT ... interval ... Diagnosis #Cardiology #ECG ... #EKG
Normal QT Interval Measurement General rule: QT interval should be < 1/2 RR interval -
Normal QT Interval ... General rule: QT ... interval should ... cardiology #diagnosis #ecg ... #ekg #electrocardiogram
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 ... Interpretation #ECG
Electrocardiographic Features of Digoxin Toxicity • Virtually any arrhythmia is possible. None specific for digoxin toxicity
Shortening of QT ... interval • "Scooped ... Electrocardiogram #ekg ... #ecg #toxicology
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia. - At
repolarization causes ... in conduction causes ... prolonged PR and QT ... intervals ... #ECG #Changes #
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