13 results
Ulnar Nerve Anatomy and Function
The Ulnar nerve is the nerve of hand power and control. It
Ulnar Nerve Anatomy ... Ulnar nerve is ... the nerve of hand ... and the Ulnar nerve ... #diagnosis #neurology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Pathophysiology ... Can begin in arms ... Absent Reflexes: Arms ... Paresthesias: Hands ... management #treatment #neurology
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Guillain-Barré Syndrome ... with peripheral nerve ... of peripheral nerve ... the underlying pathophysiology ... diagnosis #management #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Abduction - C8-T1 (ulnar ... Adduction - C7-T1 (ulnar ... aracteristic "claw hand ... Myotomes #diagnosis #neurology ... sensory #motor #arm
Priapism: Pathogenesis

 - Post-cavernosal venous occlusion -> Post-cavernosal venous drainage is mechanically obstructed e.g. sickle cell
from cavernous nerve ... Post-cavernosal venules are ... smooth muscle and ... #Priapism #Pathophysiology ... #Urology #Diagnosis
Erectile Dysfunction: Pathogenesis

Erectile Dysfunction - Persistent or recurrent inability to achieve an erection sufficient to achieve
younger, nocturnal/AM ... Erectile Dysfunction Neurologic ... parasympathetic nerve ... #Dysfunction #Pathophysiology ... #Urology #Diagnosis
Varicocele: Pathogenesis and clinical findings
Primary:
 - Anatomically: the left spermatic vein drains into the left renal
: Pathogenesis and ... pinched by the abdominal ... right varicoceles are ... #Varicocele #Pathophysiology ... Signs #Symptoms #Urology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
compression of nerve ... Bladder, bowel and ... Syringomyelia • Spinal AVM ... cord • Guillain-Barre ... diagnosis #causes #neurology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
hemorrhage, which are ... blood test • Serology ... for hepatitis B and ... Skin biopsy • Abdominal ... ultrasound #
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
lateral sclerosis Pathophysiology ... is exitotoxic and ... Microglial cells are ... activity between nerve ... Lateral #Sclerosis #neurology