107 results
Spine sign: visualization of the vertebral bodies in the thoracic cavity above the diaphragm indicative of
In the absence ... SpineSign #POCUS #Clinical ... Pulmonary #Lung #Ultrasound
Central retinal artery occlusion (CRAO). Positive "spot sign" on Ocular Ultrasound

78 yo M with sudden onset
Positive "spot sign ... " on Ocular Ultrasound ... Occlusion #Embolus #Clinical ... POCUS #Ocular #Ultrasound
Pseudogout: pathogenesis and clinical findings
 - Idiopathic (vast majority of cases) -> Mechanism unknown
 - Familial
pathogenesis and clinical ... > The relative absence ... high-resolution ultrasound ... Signs #Symptoms #Pathophysiology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Pathophysiology ... muscle weakness • Absent ... Guillain-Barre Clinical ... • Weakness: Starts ... • Decreased / Absent
Low Ankle Sprain: Pathomechanics and Clinical Findings

Grading Ligament Sprains
l: Minimal ligament disruption, mild swelling & tenderness,
Pathomechanics and Clinical ... LowAnkleSprain #Sports ... Grades #Diagnosis #pathophysiology
X-Linked Agammaglobulinemia: Pathogenesis and clinical findings
The epidemiology of this disease is 1/340,000 births and roughly double
Pathogenesis and clinical ... /Findings: • Absence ... bone marrow • Absence ... Agammaglobulinemia #XLinked #pathophysiology
Prader-Willi Syndrome: Pathogenesis and clinical findings
 • Maternal uniparental disomy: inheriting 2 copies of maternal chromosome
Pathogenesis and clinical ... • Deletion of critical ... fractures • Short ... Syndrome #genetics #pathophysiology
Acute Otitis Externa (Swimmer’s Ear): Pathogenesis and clinical findings
Pathogens = Pseudomonas aeruginosa (most common opportunistic), Staphylococcus,
Pathogenesis and clinical ... Absence of cerumen ... #SwimmersEar #pathophysiology
TISSUE APPEARANCES ON 
MUSCULOSKELETAL ULTRASOUND 

Bone:
 
Bone is represented as a very bright structure and appears
MUSCULOSKELETAL ULTRASOUND ... Nerve: Ultrasound ... of hypoechoic spots ... appearance on ultrasound ... #POCUS #Atlas #Clinical
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
Pathogenesis and clinical ... • Leukocoria (absent ... Retinoblastoma #pathophysiology