16 results
Antiarrhythmic Medications - Vaughan Williams Classification - Summary Table
Class I agents - Sodium Channel Blockers⠀
Class II
Vaughan Williams Classification ... - Summary Table ... Eric Strong @DrEricStrong ... - Strong Medicine ... #Summary #Table
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... blocking effects ... 1C: Strong Blockade ... , Slow Action, ... #Pharmacology #Classification
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Vaughan Williams Classification ... , Ic) - Na+ Channel ... Eric Strong @DrEricStrong ... - Strong Medicine ... VaughanWilliams #Classification
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Vaughan Williams Classification ... blocking effects ... 1C: Strong Blockade ... , Slow Action, ... #Pharmacology #Classification
Antiarrhythmics - Sodium Channel Blockers
Subclasses, Mechanisms, Indications, Side Effects
la - Quinidine, Procainamide
lb - Lidocaine, Mexiletine
Ic -
Antiarrhythmics - Sodium Channel ... Indications, Side Effects ... - Strong Medicine ... #Blockers #ClassI ... #pharmacology #table
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Eric Strong https ... Differential #Diagnosis #Low ... #Potassium #Table ... #Classification ... #Causes
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
- Genetic defects ... Eric Strong https ... Differential #Diagnosis #Low ... #Magnesium #Table ... #Classification
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Differential Diagnosis by Classification ... Medication side effect ... Medication side effect ... Eric Strong https ... #Table #Causes
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 ... Change in clinical ... Orthopedic • Low ... • <6mo since stroke
Daliresp (Roflumilast) 
Indication: Reduce risk of COPD exacerbations 
Drug Class: Selective Phosphodiesterase-4 (PDE4) Inhibitor 
GOLD 2019
exacerbations Drug Class ... Dosing: 250 mcg tablet ... have been a few changes ... eosinophils are low ... have any clinical effect