16 results
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Classification: CLASS ... duration: - CLASS ... duration - CLASS ... 1C: Strong Blockade ... Vaughan #Williams #Pharmacology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Classification: CLASS ... duration - CLASS ... duration - CLASS ... 1C: Strong Blockade ... & AP duration CLASS
Common sodium channel blockers which cause QRS widening.

Anticonvulsants: 
 - Carbamazepine 
Antidysrhythmics:  
 - Group
Common sodium channel ... #EKG #Pharmacology ... Medications #Toxicology #Diagnosis ... #Differential # ... Drugs #Classes
How do you work up an ischemic CVA?
A) Initial Evaluation
 • ABCs
 • IV access, monitor
underlying cause & classify ... Cardioembolic: • ECG ... Ruled out other causes ... #stroke #workup ... #diagnosis #checklist
Causes of Peripheral Edema - Differential Diagnosis
Increased Hydrostatic Pressure
 • Volume Expansion: Kidney failure, Pregnancy, Medication
Edema - Differential ... Diagnosis Increased ... Dihydropyridine Ca2+ channel ... - Strong Medicine ... #Diagnosis
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
perceptions with changes ... (Many causes!) ... . stroke, tumor) ... Wonderland #Syndrome #diagnosis ... #neurology #differential
Causes of Tremors - Movement Disorders - Differential Diagnosis Algorithm
Action Tremor - Occurs During Voluntary Muscle
Movement Disorders - Differential ... Diagnosis Algorithm ... Cerebellar Disease (e.g ... E deficiency, stroke ... Enhanced Physiologic Change
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
- Differential ... Diagnosis Algorithm ... Sclerosis • Stroke ... Myasthenia Gravis Pharmacologic ... • Drug Abuse (e.g
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... diagnosis includes ... wave in aVR • Classic ... #AVR #leadAVR #ecg ... #ekg #differential
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
- Differential ... Diagnosis Algorithm ... reabsorption • RTA ... • Minimal change ... Protein deposition (eg