21 results
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Class I (Ia, Ib ... Widens QRS complex Class ... prolongs PR interval Class ... Prolongs QT interval Class ... #Classes #cardiology
Antiarrhythmic Medications - Vaughan Williams Classification - Summary Table
Class I agents - Sodium Channel Blockersâ €
Class II
Class I agents ... Channel Blockersâ € Class ... agents in this class ... beta blockers.â € Class ... Channel Blockers Class
Antiarrhythmic Medication Table

#Antiarrhythmic #Medications #Table #Classification #Classes #Cardiology #Pharmacology
Antiarrhythmic Medication Table ... #Medications #Table ... #Classification ... #Classes #Cardiology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
: CLASS 1 - Sodium ... channel blocking effects ... duration: - CLASS ... 1C: Strong Blockade ... #Classes #pathophysiology
Antiarrhythmics - Sodium Channel Blockers
Subclasses, Mechanisms, Indications, Side Effects
la - Quinidine, Procainamide
lb - Lidocaine, Mexiletine
Ic -
Indications, Side Effects ... Eric Strong @DrEricStrong ... - Strong Medicine ... Channel #Blockers #ClassI ... #pharmacology #table
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
: CLASS 1 - Sodium ... channel blocking effects ... duration - CLASS ... 1C: Strong Blockade ... #Classes #pathophysiology
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
Gerstmann Syndrome
1) Finger agnosia - Inability to name their own fingers, affecting both sides
2) Right-left confusion
patient is still able ... to copy Causes ... : Stroke (main cause ... Injury, Tumor Localization
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
- Anorexia GI Losses ... Eric Strong https ... Low #Potassium #Table ... #Classification ... #Causes
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
- Genetic defects ... Eric Strong https ... Low #Magnesium #Table ... #Classification ... #Causes #Workup