11 results
Central retinal artery occlusion (CRAO). Positive "spot sign" on Ocular Ultrasound

78 yo M with sudden onset
Positive "spot sign ... " on Ocular Ultrasound ... Embolus #Clinical #POCUS ... #Ocular #Ultrasound
Chronic Vision Loss by Anatomic Location - Differential Diagnosis Algorithm
Cornea:
 • Keratoconus
 • Stromal Scaring
 •
Anatomic Location - Differential ... • Age Related Macular ... - Cotton wool spots ... - Visual field defects ... Chronic #VisionLoss #Differential
Congenital Adrenal Hyperplasia - 21-Hydroxylase Deficiency - Signs and Symptoms
 • Brain: Androgenization effects, Glucocorticoid effects,
Hydroxylase Deficiency - Signs ... Glucocorticoid effects ... resistance • Adrenal: Nodular ... density, Adult short ... Hydroxylase #Deficiency #Signs
92F w acute painless monocular vision loss. What's the diagnosis?

...

Central retinal artery occlusion (CRAO)! Retrobulbar "spot
Retrobulbar "spot ... sign" with embolus ... #Clinical #POCUS ... #OcularUS #CRAO
Types of Melanoma
Superficial Spreading
 • Most common form
 • Often develops in previously benign mole
 •
melanomas Uveal or Ocular ... • Most form in parts ... mirror • Early ocular ... melanoma hard to detect ... Melanoma #Types #differential
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis Differential ... purpura: Strong sign ... claudication, pulse deficits ... Cogan syndrome: Ocular
Floaters - Differential Diagnosis Framework

What?
Vitreous Floaters:
• Microscopic collagen fibers within the vitreous that tend to clump
Floaters - Differential ... with visual field defect ... Patients As: • Black spots ... the vision • Spots ... #Diagnosis #Ocular
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Paraneoplastic effects ... Ocular- 50%: Ptosis ... life-threatening Differential ... test - Cogan sign ... - Peek sign
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... vasculitis) - Affects ... ulcers, cutaneous, ocular ... Syndrome: - Ocular ... purpura: strong sign
Ocular Globe Rupture on POCUS

A patient presents with eye pain and is unable to open his
Ocular Globe Rupture ... on POCUS A patient ... of the sclera supports ... rupture ("flat tire sign ... Globe #Rupture #POCUS