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checklist treatment electrocardiogram differential syndrome torsadesdepointes admissions admitting algorithm anesthesia anesthesiology approach bazetts bradycardia cardiomyopathy chf clinical complexes congenital crisis
Normal QT Interval Measurement General rule: QT interval should be < 1/2 RR interval -
Normal QT Interval ... interval - Only works ... #Measurement #cardiology ... #diagnosis #ecg ... #ekg #electrocardiogram
Electrocardiographic Features of Digoxin Toxicity • Virtually any arrhythmia is possible. None specific for digoxin toxicity
None specific for digoxin ... Shortening of QT ... Electrocardiogram #ekg ... #ecg #toxicology ... #cardiology #diagnosis
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
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
Approach to ECGs Check - Age, gender, name - 25mm/s; 10mm/mV - 1mm = 40ms; 0.1 mV Rate
DANGER - Short QT ... : ↑ca - Long QT ... #Approach #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology
Checklist for Evaluation of New-Onset Delirium in the ICU Initial assessment - Vital signs, neuro exam
Delirium in the ICU ... Relevant drug levels (e.g ... rigidity) Consider EEG ... #MICU #CriticalCare ... #Diagnosis
Congenital Long QT Syndrome: Illness Script Who? - Kids or young adults, usually < 30 - high
Congenital Long QT ... **Get baseline EKG ... - QT prolonging ... LongQT #Syndrome #Diagnosis ... #Cardiology
Checklist Approach to Hypokalemia Consider risk factors for arrhythmia: - EKG changes (especially QT prolongation) - Digoxin
arrhythmia: - EKG ... changes (especially QT ... prolongation) - Digoxin ... their validity (e.g ... clinical context & EKG
Admitting in the ICU - Checklist VITALS: If bad, stop and go see the patient immediately; you
hyponatremia, AKI, etc ... /management of shock ... will also get an EKG ... Pearls #Checklist #diagnosis ... #workup #criticalcare
Premature Ventricular Complexes (PVC's) - Summary Framework Why PVCs? Can be the first manifestation of cardiac
arrhythmia syndromes (e.g ... ., long QT syndrome ... Substances • Digoxin ... 300 = NSVT EKG ... #differential #cardiology
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