22 results
Spondylolysis & Spondylolisthesis: Pathogenesis and Clinical Findings

Pars interarticularis stress fracture (spondylolysis) - most frequently in the
XR — scotty dog sign ... vertebrae • CT - collar ... Spondylolisthesis #MSK ... #diagnosis #pathophysiology ... #signs #symptoms
Sarcoidosis 
Non-caseating granulomas (Composed of T-helper & inflammatory cells) 
Clinical:
 • Disease fatal in 10% of
(Composed of T-helper ... & inflammatory cells ... dysrhythmias • Ophthalmologic ... #Sarcoidosis #Diagnosis ... #Symptoms #Signs
Retrobulbar Hematoma and Guitar Pick Sign on Ocular POCUS
Which of the following is NOT present in
and Guitar Pick Sign ... on Ocular POCUS ... hypoechoic guitar pick sign ... Hematoma #GuitarPick #Sign ... #Ocular #POCUS
Giant Cell (Temporal) Arteritis: Pathogenesis and investigations
Risk Factors:
 - Unclear environmental triggers (may be viral, not
mutation) that alter ... yrs old; F>M Signs ... Anemia - Giant cells ... Temporal #Arteritis #Pathophysiology ... #Diagnosis #Signs
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
mutated in all cells ... Retinoblastoma Signs ... Retinoblastoma #pathophysiology ... #ophthalmology ... #diagnosis #signs
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
Pathogenesis and Ocular ... #Xeropthalmia #pathophysiology ... #ophthalmology ... #diagnosis #signs
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
- Impinges on ocular ... Impaired extra-ocular ... Orbital #Cellulitis #pathophysiology ... #ophthalmology ... #diagnosis #signs
Ocular Globe Rupture on POCUS

A patient presents with eye pain and is unable to open his
Ocular Globe Rupture ... on POCUS A patient ... rupture ("flat tire sign ... #Ocular #Ophthalmology ... #clinical #ultrasound
Papilledema on Ocular POCUS

This 27yo female presents with an intractable headache. Which of the following do
Papilledema on Ocular ... POCUS This 27yo ... Diagnosed with Idiopathic ... demonstrated signs ... #ultrasound #Ophthalmology
The whirlpool sign of acute testicular torsion. Always nice to clinch the diagnosis.

Dr. Howard T Heller
The whirlpool sign ... to clinch the diagnosis ... #whirlpool #sign ... testicular #scrotal #pocus ... #clinical #ultrasound