38 results
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
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Diagnostic Algorithm Pathophysiology ... - Pathophysiology ... Ill-appearing, vital sign ... Mucocutaneous or ocular ... Targetoid #Algorithm #Differential
Spondylolysis & Spondylolisthesis: Pathogenesis and Clinical Findings

Pars interarticularis stress fracture (spondylolysis) - most frequently in the
Pathogenesis and Clinical ... XR — scotty dog sign ... vertebrae • CT - collar ... MSK #diagnosis #pathophysiology ... #signs #symptoms
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
Pathogenesis and Clinical ... - Impinges on ocular ... Impaired extra-ocular ... Orbital #Cellulitis #pathophysiology ... ophthalmology #diagnosis #signs
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Nodular LCH: - Sarcoidosis ... : 'signet ring sign ... central dot. - LIP #Clinical ... Cystic #Cysts #Differential
Acute Fatty Liver of Pregnancy (AFLP)
Pathophysiology:
 • Defect in fetal free fatty acid metabolism products →
Pregnancy (AFLP) Pathophysiology ... Antithrombin Ill • Ultrasound ... infiltration) Differential ... Maternal Support - Critical ... diagnosis #management #pathophysiology
Periorbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Dacryoadenitis: infection of the lacrimal glands
b. Conjunctivitis: inflammation of the
Pathogenesis and Clinical ... normal: - extra-ocular ... Periorbital #Cellulitis #pathophysiology ... ophthalmology #diagnosis #signs
Scurvy (Vitamin C Deficiency) - Diagnosis and Management

Vitamin C is required for hydroxylation of proline residues
poor nutrition Clinical ... mucocutaneous changes, ocular ... • Delusions Ocular ... beta-spectrin, which is crucial ... #AscorbicAcid #Pathophysiology
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
Landscaper w/ painless nodular ... painless, no systemic signs ... biopsy preferred Differential ... Sporotrichiosis #Infection #clinical
Emphysematous Cystitis
Epidemiology:
 • Usually middle-aged diabetic women
 • Other RF: neurogenic bladder, urinary tract outlet obstruction,
immune compromise Clinical ... Signs/Symptoms: ... be present or signs ... Pathophysiology: ... KUB or abdominal ultrasound