5793 results
Acute Rheumatic Fever: Pathogenesis and Clinical Findings

Delayed autoimmune reaction
-> Molecular mimicry
-> GAS antigen cross-reacts with host
->
Lymphocytes adhere to myosin ... pathophysiology #diagnosis
Ocular Changes in Myopia
 • Emmetropia +2.0 D to -0.25 D
 • Myopia ≤-0.5 D
 •
Ocular Changes in Myopia ... to -0.25 D • Myopia ... -0.5 D • High myopia ... • Pathologic myopia ... D or -6.0 D #Myopia
Floaters - Differential Diagnosis Framework

What?
Vitreous Floaters:
• Microscopic collagen fibers within the vitreous that tend to clump
- Differential Diagnosis ... floaters: • Myopia ... #Differential #Diagnosis
Inherited Qualitative Platelet Defects
Bernard-Soulier Syndrome
 • Defect of adhesion due to a lack of GP Ib/IX/V
in non-muscle myosin ... #differential #diagnosis
Myopic Retinopathy Fundoscopy Ocular Examination

Posterior staphylomas and patchy chorioretinal atrophy.

Dr. Sebastian Vega @oftalmopo

#Myopic #Retinopathy #staphyloma #atrophy
Myopic Retinopathy ... @oftalmopo #Myopic
Cardiac Myocyte Contractile cycle
 - Ca2+ binds to TnC → TnI is inhibited → conformational change
between actin and myosin ... - Myosin heads ... boat, to “row” myosin ... released from the myosin ... itself, allowing myosin
Visual Pathway Neural Lesions
A) Optic Nerve → Left Anopia
B) Optic Chiasm → Bitemporal Hemianopia
C) Lateral Geniculate
Optic Nerve → Left Anopia
Characteristic clinical manifestations of Down syndrome 
 
Typical craniofacial appearance 
 • Round face and flat
cataracts, squints, myopia
Argyll-Robertson Pupil on Physical Exam
Small (myotic), irregular pupil that do not react to light but do
Physical Exam Small (myotic
Abdominal Pain - Differential Diagnosis According to Localization of Abdominal Pain 

Abdominal pain can originate from
- Differential Diagnosis ... your differential diagnoses ... When diagnosing ... the differential diagnoses ... #Diagnosis #Differential