22 results
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Anterior Cord Syndrome ... , often from vascular ... bladder and rectal reflex ... #Syndromes #diagnosis ... #pathophysiology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... • Locked-in syndrome ... • Mutism Pathophysiology ... : • Severe injury ... Awareness • Injury
Acute Rheumatic Fever: Pathogenesis and Clinical Findings

Delayed autoimmune reaction
-> Molecular mimicry
-> GAS antigen cross-reacts with host
->
cells -> Tissue injury ... Marginatum • Subcutaneous ... Pancarditis and valvular ... RheumaticFever #pathophysiology ... #diagnosis #signs
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
alternating light test ... the pupillary reflex ... very sensitive diagnostic ... afferent pathway injury ... Neurology #Clinical #Video
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Differential Diagnosis ... lumbar stenosis • Vascular ... • Provocative Tests ... absent anal wink test ... #differential #diagnosis
Vasospastic (Prinzmetal) Angina
Definition / Epidemiology:
 • Rest angina attributed to coronary artery vasospasm.
 • Patients often
Pathophysiology: ... • Vascular smooth ... microvascular injury ... troponin elevation Diagnosis ... perform provocative tests
Orthopedic Emergencies
Compartment Syndrome
 • An increase in compartment pressure to the point where tissue perfusion is
after an acute injury ... • Diagnosis: ... cord function and reflex ... of spinal cord injury ... bulbocarvenosus reflex
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
to local skin injury ... and diplopia) • Vascular ... Positive pathergy test ... is a skin prick test ... ) Differential Diagnosis
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
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
Findings Compression/injury ... sensory • Before diagnosis ... gait, strength, reflexes ... Straight Leg Raise Test ... MeralgiaParesthetica #MSK #pathophysiology