13 results
Peripheral Edema - Differential Diagnosis Framework for Lower Extremity Edema

Edema occurs when any of the following
- Differential Diagnosis ... type 1 (reflex ... #differential #diagnosis ... #Extremity #PhysicalExam ... #Pathophysiology
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 ... cord • Guillain-Barre ... extremity muscle ... extremity reflexes ... #differential #diagnosis
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Primarily Upper Extremity ... Mixed upper and lower ... bladder and rectal reflex ... #diagnosis #pathophysiology ... #signs #symptoms
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Syndrome ... Pathophysiology ... paralysis of all extremity ... Decreased / Absent Reflexes ... #Syndrome #diagnosis
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... and Myotomes Reflexes ... • Cauda Equina Syndrome ... Dermatomes #Myotomes #diagnosis ... sensory #motor #leg #physicalexam
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Guillain-Barré Syndrome ... depressed deep tendon reflexes ... paralysis of all extremity ... the underlying pathophysiology ... #Syndrome #diagnosis
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... • Locked-in syndrome ... • Mutism Pathophysiology ... • Examine for signs ... caseyalbin #PhysicalExam
Alzheimer’s Disease: Pathogenesis and Clinical Findings
Risk factor for Late Onset Alzheimer's (99% of cases):
 - Increasing
mutations - Down syndrome ... chromosome 21) Signs ... seizure, primitive reflexes ... AlzheimersDisease #Dementia #pathophysiology ... #geriatrics #diagnosis
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... , T1 (median) Reflexes ... Triceps power is ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm #physicalexam
Floppy Baby Syndrome
 • Infantile Botulism
 • Acute Flaccid Myelitis
 • Guillain Barre
 • Neonatal Myasthenia
Myelitis • Guillain Barre ... LMN signs - Assess ... tone, resistance, reflexes ... #pediatrics #differential ... #diagnosis