8 results
Torsades de Pointes 
•Precipitated by drugs that prolong the QT interval 
•Class IA antidysrhythmics (procainamide, quinidine)
that prolong the QT ... interval •Class ... IC antidysrhythmics ... TorsadesDePointes #Diagnosis #Cardiology ... #ECG #EKG
Electrocardiographic Features of Digoxin Toxicity
 • Virtually any arrhythmia is possible. None specific for digoxin toxicity
digoxin toxicity • Classic ... Shortening of QT ... Electrocardiogram #ekg ... #ecg #toxicology ... #cardiology #diagnosis
Torsades de Pointes
• "Twisting of the pointes" 
• QRS axis swings from positive to negative direction
that prolong the QT ... interval Class ... IC antidysrhythmics ... TorsadesDePointes #Diagnosis #Cardiology ... #ECG #EKG
Class I Antiarrhythmics and their Key Pharmacologic Properties

Class IA = Quinidine, Procainamide, Disopyramide ("Quarter PounDer")
Class IB
IC = Flecainide ... in wide QRS on EKG ... results in prolonged QT ... on EKG • Increasing ... Pharmacology #Agents #Cardiology
Recurrent Polymorphic VT/Torsades de Pointes - Management Algorithm
Drugs that prolong QT interval:
 • Class 1a (quinidine,
Torsades de Pointes - Management ... Algorithm Drugs ... that prolong QT ... Congenital long QT ... #Algorithm
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
It is important to recognize Acute Decompensated Heart Failure (ADHF) as more than just simply a
ECG is vital while ... #differential #algorithm ... #management #cardiology ... heartfailure #chf #criticalcare ... #icu #clinical
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
ASA class If ... event, follow ACC algorithm ... indicated • EKG ... Obtain EKG if: ... one post op Cardiology