5 results
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 antidysrhythmics ... #ECG #EKG
Torsades de Pointes
• "Twisting of the pointes" 
• QRS axis swings from positive to negative direction
Originates from single focus ... that prolong the QT ... interval Class ... IC antidysrhythmics ... #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
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
murmur 3/6) - Pulmonary ... ASA class If ... event, follow ACC algorithm ... indicated • EKG ... Obtain EKG if:
It is important to recognize Acute Decompensated Heart Failure (ADHF) as more than just simply a
with presence of pulmonary ... ECG is vital while ... #differential #algorithm ... #treatment #table ... #criticalcare #icu