62 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... Motor Function Shoulder ... aracteristic "claw hand ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm #physicalexam
Patellofemoral Syndrome - Pathogenesis and clinical findings
 • Anterior Knee Pain with possible symptoms of 'catching'
Patellofemoral Syndrome ... findings • Anterior Knee ... with possible symptoms ... pathophysiology #diagnosis ... #msk
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Primarily Upper Extremity ... clumsiness in hands ... #diagnosis #pathophysiology ... #signs #symptoms ... #msk #orthopedics
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Reflexes: • Knee ... • Cauda Equina Syndrome ... Commonly caused ... Dermatomes #Myotomes #diagnosis ... sensory #motor #leg #physicalexam
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... - Differential Diagnosis ... #Effusions #causes ... #differential #diagnosis ... #msk #physicalexam
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
- Differential Diagnosis ... cyanosis - Cool extremity ... #differential #diagnosis ... #lower #extremity ... #msk #physicalexam
Rare Causes of Abdominal Pain
 • Hereditary Angioneurotic Edema - Recurrent visceral that may by swelling
Rare Causes of Abdominal ... - Extremely lean ... patient is in the knee-to-chest ... radicular pain #Rare #Causes ... #differential #diagnosis
Shoulder Impingement Syndrome (SIS): Signs and Symptoms

Repetitive Overhead Activity, Scapular Dyskinesis -> Scapulohumeral mechanics become altered
Syndrome (SIS): ... Signs and Symptoms ... #SIS #diagnosis ... #signs #symptoms ... #msk #pathophysiology
Alzheimer’s Disease: Pathogenesis and Clinical Findings
Risk factor for Late Onset Alzheimer's (99% of cases):
 - Increasing
Risk factor for Late ... mutations - Down syndrome ... chromosome 21) Signs / Symptoms ... pathophysiology #geriatrics #diagnosis ... #signs #symptoms
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
spine L1-L5 Symptoms ... so-called ‘red flag’ symptoms ... - Emergency Causes ... Differential Diagnosis ... #causes #neurology