23 results
Abnormal Lipid Profiles - Differential Diagnosis Algorithm

Increased Cholesterol and Triglycerides 
 - Genetic Causes
Differential Diagnosis Algorithm ... Syndrome • ... • Nephrotic Syndrome ... Increased Estrogen (e.g ... Differential #Diagnosis #Algorithm
Causes of Primary Amenorrhea - Differential Diagnosis Algorithm
No onset of menarche by age 16 with secondary
Causes of Primary ... by age 16 with secondary ... Gonadal Dysgenesis (e.g ... Gonadal Dysgenesis (e.g ... • Functional (e.g
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
Causes of Secondary ... <35 years old, e.g ... • Functional (e.g ... Infiltrative lesions (e.g ... Stalk Damage (e.g
Syncope is a sudden, transient loss of consciousness, which is thought to be secondary to cerebral
thought to be secondary ... cardiac syncope, e.g ... carotid sinus syndrome ... orthostatic vital sign ... and an initial ECG
Causes of Growth Discrepancy: Large for Gestational Age - Differential Diagnosis Algorithm
Maternal Factors:
 • Multiparity
 •
Causes of Growth ... Differential Diagnosis Algorithm ... co-morbidities (e.g ... Genetic disorder (e.g ... Cerebral palsy secondary
Hypocalcemia - Differential Diagnosis Algorithm - Low and High Phosphate
LOW PHOSPHATE
 - Low/NormaI PTH
D Deficiency (e.g ... Phenytoin, Nephrotic Syndrome ... Hypoparathyroidism (e.g ... Acquired, Autoimmune ... High PTH • Secondary
Acquired Disorders of Reduced Bone Strength: Pathogenesis
 • Hyperparathyroidism
 • Vitamin D deficiency
 • Malabsorption syndromes
Acquired Disorders ... Malabsorption syndromes ... Diabetes • Other causes ... Malignancies (e.g ... #BoneStrength #pathophysiology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Disorders Testing Algorithm ... • Screen for secondary ... (common causes ... organ-specific signs ... or symptoms (eg
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Causes of Secondary ... risk factors (eg ... hypertension (eg ... hypertension (eg ... renal bruit or signs
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
Differential Diagnosis Algorithm ... Polycythemia Vera Secondary ... Polycythemia - Acquired ... Causes: • Hypoxia-driven ... Paraneoplastic (e.g