7 results
diagnosis ekg electrocardiogram checklist digitalis torsadesdepointes admissions admitting approach effect hypokalemia interpretation pearls qrs toxicity toxicology workup
Digoxin effect on Electrocardiogram (EKG) Digoxin is a cardiac glycoside from the foxglove leaf Mechanism - Inhibits Na-K
effect on ECG ( ... waves - Short QT ... interval Dr. ... #Cardiology #Digitalis ... #ECG
Electrocardiographic Features of Digoxin Toxicity • Virtually any arrhythmia is possible. None specific for digoxin toxicity
None specific for digoxin ... Shortening of QT ... interval • "Scooped ... #ecg #toxicology ... #cardiology #diagnosis
Torsades de Pointes •Precipitated by drugs that prolong the QT interval •Class IA antidysrhythmics (procainamide, quinidine)
that prolong the QT ... interval •Class ... 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 ... interval ... 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
Approach to ECGs ... dextrocardia, normal Intervals ... DANGER - Short QT ... : ↑ca - Long QT ... electrocardiogram #cardiology
Checklist Approach to Hypokalemia Consider risk factors for arrhythmia: - EKG changes (especially QT prolongation) - Digoxin
arrhythmia: - EKG ... changes (especially QT ... prolongation) - Digoxin ... #Hypokalemia #Management ... #CriticalCare
Admitting in the ICU - Checklist VITALS: If bad, stop and go see the patient immediately; you
Admitting in the ICU ... hyponatremia, AKI, etc ... esp in work-up/management ... will also get an EKG ... diagnosis #workup #criticalcare
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