46 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
spacing between all carpal ... spacing between all carpal ... #Dissociation #TerryThomas ... Wrist #Scaphoid #Carpal ... #Orthopedics #Sports
Childhood Immunization Schedule: Why we immunize
 • Diphtheria Toxin -> URT inflammation causes pseudomembrane with hardened
URT inflammation causes ... severe swelling causes ... Tetanus Toxin -> Spores ... lymph -> Koplik's spots ... peds #pediatrics #pathophysiology
Cotton Wool Spots

Caused by microinfarcts. Exploded ganglion cell axons extrude their axoplasm into retina. Long DDx:
Cotton Wool Spots ... Caused by microinfarcts ... #CottonWool #Spots ... #fundoscopy #ophthalmology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Causes of Hypokalemia ... K-ATPase which imports ... Diagnosis #Algorithm #causes ... potassium #low #pathophysiology
Growth Hormone Excess - Pathogenesis and clinical findings
 • Acromegaly and gigantism share the same pathophysiology
share the same pathophysiology ... • Other rare causes ... overgrowth: • Carpal ... endocrinology #pathophysiology
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
hyalinization causes ... -> Cotton-wool Spots ... -> Elschnig's Spots ... #Retinopathy #pathophysiology ... #ophthalmology
Feedback Loop: Growth Hormone (GH)
Growth Hormone:
 • Liver -> GHR activates JAK-STAT pathway -> Incr IGF1
deficiency: - Short ... expansion (e.g. carpal ... endocrinology #pathophysiology
Acquired Immunodeficiency Syndrome (AIDS): Summary of Causes and Ocular Manifestations
 • Molluscum lesions
 • Eyelid Kaposi
AIDS): Summary of Causes ... • Cotton wool spots ... Complications #ophthalmology
Central Retinal Vein Occlusion (CRVO)
 - Pathophysiology not fully understood; possibly due to thrombus located in
Occlusion (CRVO) - Pathophysiology ... Second most common cause ... disease (Most common cause ... ) #Clinical #Ophthalmology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
with vascular causes ... findings BPPV • Short-lived ... positional episodes caused ... in semicircular canal ... test (posterior canal