24 results
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
• Leukocoria (absent ... partial retinal red reflex ... pathophysiology #ophthalmology ... #diagnosis #signs ... #symptoms
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
Loss of Corneal Reflex ... #Bells #Palsy #Neurology ... #Signs #Symptoms
Functional Dyspepsia - Signs, Symptoms and Pathophysiology
Delayed gastric emptying - Postprandial fullness, nausea, vomiting
Hypersensitivity to gastric
Functional Dyspepsia - Signs ... , Symptoms and Pathophysiology ... contractility - Bloating, absence ... Atypical nonerosive reflux ... #diagnosis #signs
Bilateral tonic pupils observed in the patient with Ross syndrome. 
Absence of bilateral pupillary contraction despite
Absence of bilateral ... clinical #video #ophthalmology ... syndrome #bilateral #reflex ... #neurology #absent
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
paresthetica • Symptoms ... Following must be absent ... gait, strength, reflexes ... differential #diagnosis #signs ... #symptoms
Sarcoidosis 
Non-caseating granulomas (Composed of T-helper & inflammatory cells) 
Clinical:
 • Disease fatal in 10% of
exertion • Neurologic ... dysrhythmias • Ophthalmologic ... Sarcoidosis #Diagnosis #Symptoms ... #Signs #Pulmonary
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
spine L1-L5 Symptoms ... so-called ‘red flag’ symptoms ... bulbocavernosus reflex ... wink test - reflex ... diagnosis #causes #neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
unresponsiveness; the absence ... • Gag reflex ... • Cough reflex ... • Examine for signs ... #PhysicalExam #neurology
NINDS Diagnostic Criteria for Guillain Barre Syndrome 
Features Required for Guillain-Barré Syndrome:
 • Progressive muscle weakness
, Mild sensory symptoms ... or signs, Cranial ... Autonomic dysfunction, Absence ... nervous system signs ... diagnosis #criteria #neurology
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
bladder and rectal reflex ... pathophysiology #signs ... #symptoms #msk ... #orthopedics #neurology