21 results
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Sensory Motor Reflex ... Antecubital Fossa Elbow ... Middle Finger Elbow ... NerveRoots #Levels #differential ... #diagnosis #Neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
consciousness Differential ... Unresponsive wakefulness syndrome ... • Locked-in syndrome ... flexed at the elbow ... #PhysicalExam #neurology
Bicep muscle injury - Yergason Test - 1. Position patient's elbow at 90 degrees with thumb
Position patient's elbow ... patient supinate and flex ... elbow against examiner's ... wrist) #Diagnosis #Ortho ... #Sports #Bicep
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - ... Guillain-Barré syndrome ... Hyperthyroidism, Serotonin syndrome ... Testing #Causes #differential ... diagnosis #table #neurology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
constipation Differential ... bulbocavernosus reflex ... wink test - reflex ... #differential # ... diagnosis #causes #neurology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Hypokalemia - Differential ... of hypokalemia starts ... , Gitelman's syndrome ... #hypokalemia #differential ... algorithm #causes #nephrology
High Anion Gap Metabolic Acidosis (HAGMA) - Differential Diagnosis - GOLDMARK

Glycols - ethylene and propylene glycol
Oxoproline
Acidosis (HAGMA) - Differential ... associated with short ... bowel syndrome ... Acidosis #HAGMA #Differential ... GOLDMARK #mnemonic #nephrology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... , T1 (median) Reflexes ... hand" ± Horner Syndrome ... Carpal Tunnel Syndrome ... Myotomes #diagnosis #neurology
Inverted Supinator Test

Useful for identifying a lesion at the C5-C6 spinal cord level.  Tapping the
normally elicits elbow ... radial (supinator) reflex ... Supinator #Test #Reflex ... #neurology #clinical ... orthopedics #msk #sports
Causes of Apparent Life Threatening Event (ALTE) - Differential Diagnosis Algorithm
Cardiac:
 • Congenital Heart Disease
 •
Event (ALTE) - Differential ... Metabolism • Reye's Syndrome ... Disturbances Neurologic ... Gastroesophageal Reflux ... Event #ALTE #BRUE #Differential