Differential Diagnosis of Increased Anion Gap
Differential Diagnosis of Increased Anion Gap • Uremia • Salicylate overdose • Methanol poisoning • Lactic acidosis • Ketoacidosis (diabetic, starvation, alcoholic) • Ethylene glycol poisoning
Differential Diagnosis of Anisocoria
Differential Diagnosis of Anisocoria diphtheria, botulism) • Trauma • Toxic polyneuritis (alcohol, lead) • Subdural hemorrhage • Prosthetic eye • Mydriatic or miotic drugs • Intracranial neoplasm • Internal carotid ischemia • Inflammation (keratitis, irid
Differential Diagnosis of Ankle Fracture
Differential Diagnosis of Ankle Fracture • Ankle sprain • Avulsion fracture of hindfoot or metatarsal
Differential Diagnosis of Ankle Sprain
Differential Diagnosis of Ankle Sprain • Fracture of the ankle or foot, particularly involving the distal fibular growth plate in the immature patient • Avulsion fracture of the fifth metatarsal base
Differential Diagnosis of Anorectal Fissure
Differential Diagnosis of Anorectal Fissure • Thrombosed hemorrhoid • Proctalgia fugax • Fistula • Anorectal abscess
Differential Diagnosis of Anorexia Nervosa
Differential Diagnosis of Anorexia Nervosa • Schizophrenia • Occult carcinoma, lymphoma • Infectious disorders: AIDS, TB • GI disorders: celiac disease, Crohn’s disease, intestinal parasitosis • Endocrine disorders: Addison’s disease, diabetes mellitus (D
Differential Diagnosis of Anovulation
Differential Diagnosis of Anovulation • Weight loss/malnutrition • Thyroid dysfunction (hypothyroidism, hyperthyroidism) • Systemic diseases (e.g., liver disease) • Strenuous exercise • Polycystic ovary syndrome • Pituitary disorders (infarction, infectio
Differential Diagnosis of Anthrax
Differential Diagnosis of Anthrax • The differential diagnosis of gastrointestinal anthrax includes viral gastroenteritis, shigellosis, and yersiniosis. • Inhalation anthrax must be distinguished from influenza-like illness (ILI) and tularemia. Most cases
Differential Diagnosis of Antinuclear Antibody (ANA) Positive
Differential Diagnosis of Antinuclear Antibody (ANA) Positive • Systemic lupus erythematosus (SLE) (more significant if titer >1 : 160) • Sjögren’s syndrome • Scleroderma • Rheumatoid arthritis (RA) • Necrotizing vasculitis • Mixed connective tissue disea
Symptoms and Signs- Differential Diagnosis of Antiphospholipid Antibody Syndrome (APS)
Symptoms and Signs- Differential Diagnosis of Antiphospholipid Antibody Syndrome (APS) • Other hypercoagulable states (inherited or acquired) • Nephrotic syndrome • Inherited: ATIII, protein C and S deficiencies, factor V Leiden, prothrombin gene mutation
