11 results
Antiarrhythmic Medications - Vaughan Williams Classification - Summary Table
Class I agents - Sodium Channel Blockers⠀
Class II
Class I agents ... ⠀ Class II agents ... .⠀ Class III agents ... Class IV agents ... ⠀ Class V agents
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
: CLASS 1 - Sodium ... duration: - CLASS ... duration - CLASS ... & AP duration CLASS ... #Classes #pathophysiology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
: CLASS 1 - Sodium ... duration - CLASS ... duration - CLASS ... & AP duration CLASS ... #Classes #pathophysiology
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Differential Diagnosis by Classification ... bradycardia • Sinus pauses ... side effect (e.g. αblockers ... Differential #Diagnosis #Classification ... #Table #Causes
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Excessive GI losses ... Low #Magnesium #Table ... #Classification ... #Causes #Workup
Suggested diagnostic approach to a patient with exudative ascites. Low ascitic fluid protein should direct practitioners
protein should direct ... syndrome as a cause ... Although nonhepatic causes ... ascites #diagnosis #workup ... #algorithm #differential
American Society of Anesthesiologists (ASA) Classification
The ASA classification (Table) aims to predict perioperative mortality rates but
(Table) aims to ... Higher ASA class ... risk when an ASA class ... and when an ASA class ... Preoperative #ASA #Classes
Clinically Significant Cardiovascular Drug-Drug Interactions With OTC Supplements and Herbal Products
Angiotensin-Converting Enzyme Inhibitors (ACEIs)
 • Night-blooming
hypertension Alpha-Blockers ... effects of alpha-blockers ... vera, Licorice - Causes ... potential arrhythmias Class ... pharmacology #DDI #table
Intraoperative Anaphylaxis - Guidelines for Crises in Anaesthesia
• Unexplained hypotension
• Unexplained bronchospasm (wheeze may be absent
absent in severe cases ... arrest where other causes ... absent in severe cases ... glucagon in ß-blocked ... Diagnosis #Management #Workup
Intraoperative Laryngospasm and Stridor - Guidelines for Crises in Anaesthesia

❶ Call for help and inform theatre
Guidelines for Crises ... blood or vomit (direct ... neuromuscular blocker ... Consider other causes ... Diagnosis #Management #Workup