8 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Wrist drop - Occurs ... Carpal Tunnel Syndrome ... Myotomes #diagnosis #neurology ... sensory #motor #arm ... #physicalexam
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Sciatica • Tarsal tunnel ... Herpes zoster - HIV ... cyanosis - Cool extremity ... pain/swelling - Fever ... #msk #physicalexam
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
cord infarct • HIV ... lumbar stenosis • Vascular ... • Provocative Tests ... absent anal wink test ... diagnosis #causes #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Pain reported at level ... Vascular/Blockage ... MCTD, Sjogren syndrome ... , lower extremity ... disorders #diagnosis #neurology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
hemorrhage, which are ... Disruptions in vascular ... Fecal occult blood test ... • Serology for ... #dermatology #physicalexam
Newborn Infant - Routine Examination

Birthweight, gestational age and birthweight percentile are noted.
General observation Of the baby's
assessment, is best ... babies, but may drop ... the abdomen, the liver ... The hips are checked ... Newborn #Infant #PhysicalExam
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
and bullous or vesicular ... Coronary arteries - Fever ... extremities, upper extremity ... retinopathy Lab Tests ... Cryoglobulins • HIV
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Diagnostic Tests ... weakness + atrophy- Hip ... kinase levels are ... spine) or head drop ... muscle disease/muscular