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diagnosis ekg electrocardiogram clinical checklist differential interval measurement algorithm bradycardia interpretation pediatrics syncope treatment digitalis digoxin em hypokalemia icu pharmacology
Torsades de Pointes •Precipitated by drugs that prolong the QT interval •Class IA antidysrhythmics (procainamide, quinidine)
that prolong the QT ... hypokalemia) #TorsadesDePointes ... #Diagnosis #Cardiology ... #ECG #EKG
Torsades de Pointes • "Twisting of the pointes" • QRS axis swings from positive to negative direction
that prolong the QT ... Hypokalemia #TorsadesDePointes ... #Diagnosis #Cardiology ... #ECG #EKG
The JT Interval and Pro-Arrhythmic Risk Measured from the J-point to the end of the T-wave, the
JTc=QTc-QRS When ... than prolonged QT ... Interval #JTInterval #QTc ... pathophysiology #ekg ... #ecg #cardiology
Normal QT Interval Measurement General rule: QT interval should be < 1/2 RR interval -
Normal QT Interval ... General rule: QT ... = QT / Sqrt(RR) ... in seconds) #QT ... #Measurement #cardiology
QT / QTc Interval Measurement in Wide QRS Complex - A wide QRS complex will lead
QT / QTc Interval ... increase in the QT ... EricsMedicalLectures/ #QT ... Measurement #WideQRS #cardiology ... #diagnosis #ecg
Hypothermia on EKG • J (Osborn) waves • PR, QRS, and QT prolongation • Various bradyarrythmias
Hypothermia on EKG ... • PR, QRS, and QT ... bradyarrythmias (e.g ... #ECG #electrocardiogram ... #cardiology #diagnosis
Pediatric ECG Interpretation Guide 1) Rate Calculation 2) Rhythm 3) QRS Axis 4) P Wave 5) ST Segment 6) QTc 7) QRS Complex 8)
Pediatric ECG Interpretation ... ST Segment 6) QTc ... gracie_leo #ECG ... Interpretation #Pediatrics #peds ... #cardiology #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 ... Irregular #Rhythm #cardiology ... #diagnosis #ecg
TCA Overdose on EKG • Sinus tachycardia • QRS prolongation • QT prolongation • Rightward deviation
TCA Overdose on EKG ... prolongation • QT ... antidepressants #EKG ... #ECG #electrocardiogram ... #cardiology #diagnosis
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
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