26 results
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... Unresponsive wakefulness syndrome ... • Locked-in syndrome ... • Mutism Pathophysiology ... neurology #comatose #diagnosis
Freiberg's Test for Piriformis Syndrome

Flex the hip to 90 degrees, internally rotate the hip.
Pain in the
Freiberg's Test ... for Piriformis Syndrome ... Flex the hip ... #Piriformis #syndrome ... lumbar #clinical #video
Tetralogy of Fallot Summary
 • Anatomy
 • Incidence
 • Pathophysiology
 • Presentation
 • Common Variants
 •
• Incidence • Pathophysiology ... Associated Genetic Syndromes ... • “Pink” Tet ... • “Blue” Tet Options ... Tetralogy #Fallot #diagnosis
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 ... • Provocative Tests ... bulbocavernosus reflex ... absent anal wink test ... #differential #diagnosis
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Anterior Cord Syndrome ... • Central Cord Syndrome ... Posterior Cord Syndrome ... bladder and rectal reflex ... #diagnosis #pathophysiology
Cubital Tunnel Syndrome: Pathogenesis and clinical findings

 • Paresthesia of 5th and medial half of 4th
Cubital Tunnel Syndrome ... elbow flexion test ... CubitalTunnel #Syndrome ... #Diagnosis #pathophysiology
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
alternating light test ... swinging-flashlight test ... the pupillary reflex ... very sensitive diagnostic ... Neurology #Clinical #Video
Orthopedic Emergencies
Compartment Syndrome
 • An increase in compartment pressure to the point where tissue perfusion is
necrosis of the subcutaneous ... • Diagnosis: ... cord function and reflex ... bulbocarvenosus reflex ... #Emergencies #diagnosis
Peripheral Edema - Differential Diagnosis Framework for Lower Extremity Edema

Edema occurs when any of the following
- Differential Diagnosis ... type 1 (reflex ... • SVC syndrome ... #differential #diagnosis ... #PhysicalExam #Pathophysiology
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Cauda Equina Syndrome ... of normal leg reflexes ... #CaudaEquina #Syndrome ... #MSK #pathophysiology ... #diagnosis #symptoms