16 results
ekg electrocardiogram interval clinical management syncope torsadesdepointes treatment agents algorithm antiarrhythmics antidepressants approach avr bazetts cardiomyopathy checklist chf class1 classi
Normal QT Interval Measurement General rule: QT interval should be < 1/2 RR interval -
Normal QT Interval ... rule: QT interval ... = QT / Sqrt(RR) ... #cardiology #diagnosis ... #ecg #ekg #electrocardiogram
QT / QTc Interval Measurement in Wide QRS Complex - A wide QRS complex will lead
QT / QTc Interval ... increase in the QT ... EricsMedicalLectures/ #QT ... #cardiology #diagnosis ... #ecg #ekg #electrocardiogram
QT / QTc Interval Measurement in Irregular Rhythms 2 Approaches: • Measure and calculate the QTc for
QT / QTc Interval ... the associated QT ... for the QT intervals ... #Rhythm #cardiology ... #diagnosis #ecg
QT / QTc Interval Measurement in Prominent U Wave If the U wave is distinct from the
QT / QTc Interval ... of the QT interval ... EricsMedicalLectures/ #QT ... #cardiology #diagnosis ... #ecg #ekg #electrocardiogram
TCA Overdose on EKG • Sinus tachycardia • QRS prolongation • QT prolongation • Rightward deviation
TCA Overdose on EKG ... prolongation • QT ... #ECG #electrocardiogram ... #cardiology #diagnosis ... #clinical #criteria
Torsades de Pointes •Precipitated by drugs that prolong the QT interval •Class IA antidysrhythmics (procainamide, quinidine)
that prolong the QT ... quinidine) •Class IC ... TorsadesDePointes #Diagnosis ... #Cardiology #ECG ... #EKG
Approach to ECGs - Syncope Syndromes Electrolytes • ↑K - brady, peak T, wide QRS, no P,
• ↑ Ca - short QT ... • ↓ Ca - long QT ... • ↓ Mg - long QT ... -500ms) Short QT ... #diagnosis #cardiology
Approach to ECGs Check - Age, gender, name - 25mm/s; 10mm/mV - 1mm = 40ms; 0.1 mV Rate
Approach to ECGs ... DANGER - Short QT ... : ↑ca - Long QT ... #EKG #diagnosis ... electrocardiogram #cardiology
Torsades de Pointes • "Twisting of the pointes" • QRS axis swings from positive to negative direction
that prolong the QT ... quridine) Class IC ... TorsadesDePointes #Diagnosis ... #Cardiology #ECG ... #EKG
Class I Antiarrhythmics and their Key Pharmacologic Properties Class IA = Quinidine, Procainamide, Disopyramide ("Quarter PounDer") Class IB
and their Key Pharmacologic ... in wide QRS on EKG ... results in prolonged QT ... Antiarrhythmics #Pharmacology ... #Agents #Cardiology
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