44 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Mnemonic NO cause ... Drugs (antibiotics e.g ... Sarcoidosis or Lofgren's syndrome ... Viral: HSV, EBV, HIV
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Syndrome ... Epidemiology: • 1-2 cases ... Pathophysiology ... Campylobacter jejuni - HIV ... Electrodiagnostic studies - EMG
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - Causes ... Deep coma (any cause ... polyneuropathy (e.g ... Guillain-Barré syndrome ... Hyperthyroidism, Serotonin syndrome
Short Stature - Differential Diagnosis Algorithm
Normal Variant, Normal Puberty Onset (BA = CA)
 • Familial Short
Dysplasias • (e.g ... Disease • GI (e.g ... • CNS Tumors (e.g ... Diagnosis #Algorithm #endocrinology ... #causes #pediatrics
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Toxic Damage (e.g ... Displacement (e.g ... Quinidine • HIT ... Non-lmmune: • HELLP Syndrome ... Foreign Surface (e.g
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Causes of Fatigue ... Tuberculosis • Epstein-Barr ... Hepatitis • HIV ... • Drug Abuse (e.g ... Chronic Fatigue Syndrome
Causes of Pediatric Constipation - Differential Diagnosis Algorithm
Dietary / Functional:
 • Insufficient Volume / Bulk
Neurologic:
 •
Causes of Pediatric ... Withholding • Painful (e.g ... Congenita • Guillain-Barré ... Syndrome • Muscular ... Diagnosis #Algorithm #Causes
Causes of Hypercalcemia
Parathyroid hormone–dependent
Primary hyperparathyroidism
Familial hypocalciuric hypercalcemia
Lithium-associated
Tertiary hyperparathyroidism
Genetic disorders (e.g., multiple endocrine neoplasia type 1 or
Causes of Hypercalcemia ... Genetic disorders (e.g ... Other humoral syndromes ... Hypercalcemia #Causes ... Differential #Diagnosis #Endocrinology
Subtrochanteric Femur Fracture: Pathogenesis and clinical findings
 • Subtrochanteric region spans 5 cm distally from the
most common in young ... to the femur ( e.g ... vehicle accident in young ... #differential #causes ... #pathophysiology
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Causes of Proteinuria ... Negative urine dip ... • Fanconi's syndrome ... Protein deposition (eg ... Diagnosis #Algorithm #Causes