33 results
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
, often from vascular ... level. ... #Syndromes #diagnosis ... pathophysiology #signs ... #orthopedics #neurology
Pronator Drift Testing for Stroke
Subtle extensor weakness - Sign of Upper motor neuron lesion
In detecting CT/MRI
Pronator Drift Testing ... extensor weakness - Sign ... test characteristics ... #Stroke #physicalexam ... #diagnosis #neurology
Parinaud's Syndrome
What?
 - Impaired upgaze
 - Light-near dissociation
 - Convergence retraction nystagmus
 - Eyelid retraction (Collier's
Parinaud's Syndrome ... Hydrocephalus → "setting ... sun sign" - Vascular ... #diagnosis #pineal ... #neurology
Parinaud's syndrome
What?
 • Light-near dissociation (tectal pupils)
 • Convergence retraction nystagmus
 • Eyelid retraction (Collier's sign)
Parinaud's syndrome ... retraction (Collier's sign ... Hydrocephalus -> "setting ... sun" signVascular ... #neurology #diagnosis
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
- Differential Diagnosis ... vasoconstriction syndrome ... Traumatic brain injury ... Hypoxia, Uremia, Liver ... Algorithm #Causes #neurology
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
clinical symptoms/signs ... presence of metabolic syndrome ... Areas of diagnostic ... decision for repeat testing ... #Differential #Diagnosis
NINDS Diagnostic Criteria for Guillain Barre Syndrome 
Features Required for Guillain-Barré Syndrome:
 • Progressive muscle weakness
sensory symptoms or signs ... protein Features Casting ... Sharp sensory level ... nervous system signs ... #neurology #neuropathy
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Phrenic nerve injury ... poisoning, Scorpion sting ... Mitochondrial myopathy, Muscular ... #differential #diagnosis ... #neurology
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
- Differential Diagnosis ... Algorithm Vascular ... vein: Budd-chiari syndrome ... extrahepatic source - Tests ... • Gilbert's syndrome
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Cough, Dyspnea, Fever ... Differential Diagnosis ... Disease-specific testing ... , biopsy By Tess ... #nephrology