39 results
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
Genetic disorders (e.g ... - Parathyroid hormone–related ... Other humoral syndromes ... disease - Williams syndrome ... Hypercalcemia #Causes #Differential
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Hyponatremia - Differential ... with renal tubal acidosis ... Stress, Drugs, Syndrome ... inappropriate antidiuretic hormone ... #Hyponatremia #Differential
Causes of Pediatric Constipation - Differential Diagnosis Algorithm
Dietary / Functional:
 • Insufficient Volume / Bulk
Neurologic:
 •
Causes of Pediatric ... Constipation - Differential ... Withholding • Painful (e.g ... Guillain-Barré Syndrome ... #Causes #Peds #Pediatrics
Metabolic Acidosis with Anion Gap - KILU Mnemonic

K - Ketoacidosis
	• DKA
		- With normal glucose, ask if
Metabolic Acidosis ... normal glucose, ask ... in lit), iron (pediatric ... tissue hypoxia (e.g ... #diagnosis #differential
Short Stature - Differential Diagnosis Algorithm
Normal Variant, Normal Puberty Onset (BA = CA)
 • Familial Short
Short Stature - Differential ... 21 • Noonan Syndrome ... • Turner Syndrome ... #ShortStature #Differential ... endocrinology #causes #pediatrics
Causes of Developmental Delay - Differential Diagnosis Algorithm
Isolated Domain Delay - Reduced Respiratory Drive:
 • Cognitive
Developmental Delay - Differential ... Developmental Delay: • Syndromic ... Landau-Kleffner Syndrome ... DevelopmentalDelay #Differential ... #Causes #Peds #Pediatrics
Dizziness - Central and Peripheral Causes - Differential Diagnosis
Central Causes:
 • Cerebrovascular:  vertebrobasilar, TIA, Wallenburg,
Peripheral Causes - Differential ... Tumours: CPA, posterior ... • Cogan's syndrome ... Amy Chung, MD, MSc ... Peripheral #Causes #Differential
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
(Os Trigonum) Syndrome ... - MSK Radiology ... hallucis longus Differential ... Trigonum #OsTrigonum #Syndrome ... Radiology #diagnosis #msk
Abnormal Lipid Profiles - Differential Diagnosis Algorithm

Increased Cholesterol and Triglycerides 
 - Genetic Causes
Lipid Profiles - Differential ... • Nephrotic Syndrome ... • Nephrotic Syndrome ... Increased Estrogen (e.g ... Pregnancy, Hormone
Haglund Syndrome - MSK Radiology
Imaging Findings:
 • The Haglund Deformity (enlarged superior margin calcaneal posterior process)
- MSK Radiology ... margin calcaneal posterior ... Differential diagnosis ... Often involves posterior ... Radiology #diagnosis #msk