6 results
Roos' Test for Thoracic Outlet Syndrome

To perform the Roos' Test abduct the shoulders to 90 degrees,
Outlet Syndrome ... Video via @open_michigan ... #clinical #video ... #vascular #msk ... #orthopedics #sports
Roos' Test for Thoracic Outlet Syndrome

Roos' Test - abduct the shoulders to 90 degrees, flex the
Outlet Syndrome ... Roos' Test - ... #clinical #video ... #vascular #msk ... #orthopedics #sports
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Simplified A-a (assumes Room ... Hypoventilation Syndrome ... , Muscular Weakness ... UnremarkableLab #AA ... Hypoxia #hypoxemia #differential
Thiamine Deficiency - Differential Diagnosis Framework and Clinical Manifestations

Causes of Thiamine Deficiency:
 • Poor intake:
	- Diets
Thiamine Deficiency - Differential ... extremities - Muscle weakness ... Beri: - High output ... Tachycardia - High output ... AV shunt, renal vascular
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Cord Disorders - Differential ... spasticity • Lower roots ... Vascular/Blockage ... MCTD, Sjogren syndrome ... disorders #diagnosis #neurology
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 roots ... lumbar stenosis • Vascular ... lower extremity weakness ... #differential # ... diagnosis #causes #neurology