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management anesthesia anesthesiology intraoperative differential criticalcare electrocardiogram treatment cardiac syncope tachycardia algorithm bradycardia clinical foamed hyperkalemia neurology qrs radiology torsadesdepointes
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
Normal QT Interval Measurement General rule: QT interval should be < 1/2 RR interval -
interval - Only works ... #QTc #Interval ... #Measurement #cardiology ... #diagnosis #ecg ... #ekg #electrocardiogram
Checklist for Evaluation of New-Onset Delirium in the ICU Initial assessment - Vital signs, neuro exam
Checklist for Evaluation ... Delirium in the ICU ... Relevant drug levels (e.g ... rigidity) Consider EEG ... #Diagnosis
Common sodium channel blockers which cause QRS widening. Anticonvulsants: - Carbamazepine Antidysrhythmics: - Group
blockers which cause ... - Group IA and IC ... QRS #widening #ECG ... #EKG #Pharmacology ... Medications #Toxicology #Diagnosis
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
Algorithm for the Management of Ventricular Tachycardia Electrical Storm ES diagnosed (≥ 3 episodes of VT/ICD therapies
Electrical Storm ES diagnosed ... cardioversion Stable ... of reversible causes ... VT • Normal QTc ... management #morphology #cardiology
Approach to ECGs Check - Age, gender, name - 25mm/s; 10mm/mV - 1mm = 40ms; 0.1 mV Rate
Approach to ECGs ... /pacer - QTc ... #Approach #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology
Approach to ECGs - Syncope Syndromes Electrolytes • ↑K - brady, peak T, wide QRS, no P,
Approach to ECGs ... • ↑ Ca - short QT ... Syncope #Syndromes #ECG ... #EKG #Checklist ... #diagnosis #cardiology
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia. - At
repolarization causes ... prolonged PR and QT ... #Diagnosis #Hyperkalemia ... #EKG #ECG #Changes ... #Progression #Table
Admitting in the ICU - Checklist VITALS: If bad, stop and go see the patient immediately; you
- Checklist VITALS ... hyponatremia, AKI, etc ... will also get an EKG ... #Pearls #Checklist ... #diagnosis #workup
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