42 results
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
<35 years old, e.g ... • Functional (e.g ... Infiltrative lesions (e.g ... Stalk Damage (e.g ... #OBGyn #Gynecology
Causes of Primary Amenorrhea - Differential Diagnosis Algorithm
No onset of menarche by age 16 with secondary
Algorithm No onset ... Gonadal Dysgenesis (e.g ... Gonadal Dysgenesis (e.g ... • Functional (e.g ... #OBGyn #Gynecology
Deep T Wave Inversions - Differential
Normal variants 
  A. Juvenile T wave pattern
wave inversion syndrome ... Secondary T wave ... #Differential #Diagnosis ... #Causes #Cardiology ... #ECG #EKG #Electrocardiogram
Hypercalcemia - Differential Diagnosis Algorithm
Primary Hyperparathyroidism
 • Adenoma
 • Hyperplasia
 • MEN 1 and 2A
Tertiary Hyperparathyroidism
- Differential Diagnosis ... Algorithm Primary ... long-standing secondary ... Hypercalcemias (e.g ... Resorption (e.g
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Toxic Damage (e.g ... Displacement (e.g ... Non-lmmune: • HELLP Syndrome ... Foreign Surface (e.g ... #Hematology
Causes of Growth Discrepancy: Large for Gestational Age - Differential Diagnosis Algorithm
Maternal Factors:
 • Multiparity
 •
Algorithm Maternal ... co-morbidities (e.g ... Genetic disorder (e.g ... Cerebral palsy secondary ... #Obstetrics #OBGyn
Short Stature - Differential Diagnosis Algorithm
Normal Variant, Normal Puberty Onset (BA = CA)
 • Familial Short
- Differential Diagnosis ... Algorithm Normal ... Chemotherapy • Bone ... #Differential #Diagnosis ... #Algorithm #endocrinology
Proposed Algorithm for Diagnosing Sarcoidosis
Highly suggestive Clinicoradiological Findings → Clinical diagnosis (without biopsy) e.g. Löfgren's syndrome
Suggestive
Proposed Algorithm ... without biopsy) e.g ... Löfgren's syndrome ... and/or cytology (e.g ... Involvement in at least one
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
- Differential Diagnosis ... Algorithm Tumours ... - See Bone Lesions ... Osteodystrophy - Secondary ... Malignancy • Drugs (e.g
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
- Differential Diagnosis ... inflammatory disorders (e.g ... Myelodysplastic syndrome ... #Causes #hematology ... #secondary