65 results
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
Short Stature - Differential Diagnosis Algorithm
Normal Variant, Normal Puberty Onset (BA = CA)
 • Familial Short
21 • Noonan Syndrome ... • Prader-Willi Syndrome ... Russell-Silver Syndrome ... • Turner Syndrome ... endocrinology #causes
Causes of Primary Amenorrhea - Differential Diagnosis Algorithm
No onset of menarche by age 16 with secondary
Gonadal Dysgenesis (e.g ... Gonadal Dysgenesis (e.g ... Swyer's Syndrome ... • Functional (e.g ... #Causes #OBGyn
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Mnemonic NO cause ... Drugs (antibiotics e.g ... Sarcoidosis or Lofgren's syndrome ... Viral: HSV, EBV, HIV ... #Differential #
Causes of Growth Discrepancy: Large for Gestational Age - Differential Diagnosis Algorithm
Maternal Factors:
 • Multiparity
 •
co-morbidities (e.g ... Genetic disorder (e.g ... Sotos syndrome, ... Beckwith-Wiedemann syndrome ... , Weaver's syndrome
Causes of Developmental Delay - Differential Diagnosis Algorithm
Isolated Domain Delay - Reduced Respiratory Drive:
 • Cognitive
Causes of Developmental ... Developmental Delay: • Syndromic ... Teratogenic Disorder (e.g ... Landau-Kleffner Syndrome ... • Mechanical (e.g
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
Polycystic ovarian syndrome ... <35 years old, e.g ... • Sheehan's Syndrome ... • Asherman's syndrome ... #Causes #OBGyn
Jaundice - Differential Diagnosis Algorithm
Pre-Hepatic - Unconjugated Hyperbilirubinemia
Increased Production
 • Hemolysis
 • Ineffective Erythropoiesis
 • Hematoma
Decreased
Diagnosis Algorithm ... Sepsis • Drugs (e.g ... • Gilbert's Syndrome ... Crigler-Najjar Syndromes ... #Causes #Hepatology
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
- Differential ... Diagnosis Algorithm ... • Fanconi's syndrome ... Protein deposition (eg ... #Diagnosis #Algorithm
Causes of Post-Partum Hemorrhage - Differential Diagnosis Algorithm
Blood Loss: >500mL post vaginal delivery OR >1000 mL
Causes of Post-Partum ... Hemorrhage - Differential ... Diagnosis Algorithm ... TTP) • HELLP syndrome ... #OBGyn