106 results
Central Retinal Vein Occlusion (CRVO): Pathogenesis and clinical findings

#CentralRetinalVein #Occlusion #CRVO #pathophysiology #ophthalmology #diagnosis #signs #symptoms
Occlusion #CRVO #pathophysiology ... #ophthalmology ... #diagnosis #signs
Sarcoidosis 
Non-caseating granulomas (Composed of T-helper & inflammatory cells) 
Clinical:
 • Disease fatal in 10% of
& inflammatory cells ... • Neurologic: Bell's ... dysrhythmias • Ophthalmologic ... Diagnosis #Symptoms #Signs
Bell's Phenomenon on Physical Exam

Carles Bell realized that when trying to close the eye on the
Bell's Phenomenon ... neurologiabr #Bells ... #Phenomenon #Sign ... #PhysicalExam #ophthalmology
Features of a Sickle Cell Crisis 
Sickle-cell disease - an autosomal recessive blood disorder.
Characterized by red
cells that adopt ... These cells can ... go on to block blood ... The underlying pathophysiology ... Crisis #Features #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
Iridodonesis

Physical examination revealed iridodonesis, or “dancing” of the iris, which was elicited by rapid movement of
movement, is a sign ... of ectopia lentis ... characteristic sign ... PhysicalExam #Video #Ophthalmology ... #Signs #Ocular
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
) -> Increased blood ... Retina • Ganglion cells ... Occlusion #CRAO #pathophysiology ... #ophthalmology ... #diagnosis #signs
Hyperkalemia Differential Diagnosis Algorithm
R/O Pseudo-hyperkalemia:
 • Possible Lab error! Alwavs Repeat Blood sample!
 • Leukocytosis, Thrombocytosis:
Alwavs Repeat Blood ... Thrombocytosis: cells ... while drawing blood ... 7) - principal cells ... potassium #high #pathophysiology
Hemothorax on Lung POCUS with Spine Sign

GSW to left chest.  Perisplenic window focusing on lower
Hemothorax on Lung POCUS ... with Spine Sign ... area of clotted blood ... Note that clotted blood ... Hemothorax #Lung #POCUS
Shock Classification Types - Pathophysiology Comparison

Obstructive Shock:
 • Obstructive shock is characterized by a blockage in
Classification Types - Pathophysiology ... a blockage in blood ... Echocardiographic Signs ... Echocardiographic Signs ... #Shock #Types #Pathophysiology