50 results
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Phase I - Initial Repolarization ... - Ventricular Repolarization ... Vaughan Williams Classification ... Block K+ channels (primarily ... #Pharmacology #Classification
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... Block K+ channels (primarily ... interval (delays time repolarization ... prolong AV node repolarization ... #Pharmacology #Classification
Causes of Primary and Secondary Amenorrhea - Differential Diagnosis Algorithm
Primary Amenorrhea - No onset of menarche
Secondary Amenorrhea - Differential ... Diagnosis Algorithm ... Secondary #Amenorrhea #Differential ... #Diagnosis #Algorithm ... #Causes #OBGyn
Primary Amenorrhea Differential Diagnosis Framework

Workup:
 • β-HCG, TSH and PRL
 • Breast Tanner Staging
 • FSH,
Primary Amenorrhea ... Differential Diagnosis ... khudhur_moh #Primary ... Diagnosis #pediatrics #obgyn ... #gynecology #algorithm
The Diagnostic Approach to Hyperkalemia
Drugs
 - Amiloride
 - Spironolactone
 - Triamterene
 - Trimethoprim
 - Pentamidine
 -
High Renin - Primary ... deficiency - Heparin/ LMW ... Ketoconazole Low ... #Hyperkalemia #Algorithm ... #diagnosis #differential
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Primary Metabolic ... Alkalosis - Differential ... Diagnosis Algorithm ... Liddle syndrome #Primary ... #Diagnosis #Algorithm
Causes of Pelvic Organ Prolapse - Differential Diagnosis Algorithm
Herniation of one or more pelvic organs
Risk factors:
Organ Prolapse - Differential ... Diagnosis Algorithm ... prolapse Bladder - Slow ... #Diagnosis #Algorithm ... Causes #Gynecology #OBGyn
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... secreting tumor, Primary ... #Hypokalemia #Differential ... #Diagnosis #Algorithm
Causes of Headache - Differential Diagnosis Algorithm
Primary: Tension, Migraine, Cluster
Extracranial: Medications, Sinusitis, TMJ disorder, Cervicogenic, Glaucoma,
of Headache - Differential ... Diagnosis Algorithm ... Primary: Tension ... Toxoplasmosis Tumor: Primary ... Pseudotumor Cerebri, Low
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... Alkalosis - Differential ... Diagnosis Algorithm ... Metabolic #Alkalosis #Differential ... #Diagnosis #Algorithm