16 results
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - ... stroke, Acute spinal ... cord injury Generalized ... cord injury, Early ... diagnosis #table #neurology
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Syndromes Spinal ... Causes of spinal ... involved) - Tendon reflex ... in deep tendon reflexes ... differential #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
 •
- Emergency Causes ... wink test - reflex ... axial T1 and T2 Treatment ... differential #diagnosis #causes ... #neurology
Orthopedic Emergencies
Compartment Syndrome
 • An increase in compartment pressure to the point where tissue perfusion is
Syndrome caused ... after an acute injury ... including DM • Treatment ... cord function and reflex ... bulbocarvenosus reflex
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Management Summary Causes ... - Compartment syndrome ... Monitor potassium ... Diagnosis #Management #causes ... #treatment #nephrology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
and Myotomes Reflexes ... • Cauda Equina Syndrome ... Commonly caused ... - Narrowing of spinal ... sensory #motor #leg #physicalexam
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
below the site of injury ... below the site of injury ... Cord Causes: 1 ... MCTD, Sjogren syndrome ... dysfunction • Abnormal reflexes
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Unresponsive wakefulness syndrome ... • Locked-in syndrome ... Awareness • Injury ... Casey Albin MD @ ... caseyalbin #PhysicalExam
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, T1 (median) Reflexes ... hand" ± Horner Syndrome ... spared in this injury ... Carpal Tunnel Syndrome ... sensory #motor #arm #physicalexam
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• Trauma/Crush injury ... - Tumor lysis syndrome ... • Vegetables: spinach ... differential #diagnosis #causes ... #nephrology