7 results
Class I Antiarrhythmics and their Key Pharmacologic Properties

Class IA = Quinidine, Procainamide, Disopyramide ("Quarter PounDer")
Class IB
Class I Antiarrhythmics ... Properties Class ... Mayo, Pickle") Class ... results in prolonged QT ... Agents #Cardiology
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 ... TorsadesDePointes #Diagnosis #Cardiology
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Classification Class ... Widens QRS complex Class ... potential • Prolongs QT ... interval Class ... #cardiology #pharmacology
Torsades de Pointes
• "Twisting of the pointes" 
• QRS axis swings from positive to negative direction
that prolong the QT ... interval Class ... quridine) Class ... TorsadesDePointes #Diagnosis #Cardiology ... #ECG #EKG
Clinically Significant Cardiovascular Drug-Drug Interactions With OTC Supplements and Herbal Products
Angiotensin-Converting Enzyme Inhibitors (ACEIs)
 • Night-blooming
wort - Increases QT ... potential arrhythmias Class ... wort - Increases QT ... supplementals #herbal #pharmacology ... #DDI #table #cardiology
It is important to recognize Acute Decompensated Heart Failure (ADHF) as more than just simply a
ECG is vital while ... #cardiology #treatment ... #heartfailure #chf ... #criticalcare # ... icu #clinical #pharmacology
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
disease b) CHF ... ASA class If ... Cataract Plan for Meds ... one post op Cardiology ... medical and surgical management