14 results
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... of AVS and negative ... #Diagnosis #PhysicalExam ... #Neurology #AVS ... VestibularSyndrome #Posterior
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 ... bearing after injury ... #Effusions #causes ... #msk #physicalexam
Posterolateral Corner (PLC) Injury - Posterolateral Drawer Test
Injury to the posterolateral corner (PLC) is difficult to
is difficult to diagnose ... context of complex knee ... Clinical #Video #PhysicalExam ... #Orthopedics #Knee ... #Posterior #msk
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
very sensitive diagnostic ... regarding the cause ... afferent pathway injury ... Pupillary #Defect #Neurology ... Pupils #MacrusGunn #PhysicalExam
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
Posterior Knee Dislocation ... , POSTERIOR KNEE ... (25%) TEST FOR: ... Check hip and ankle ... #Injury #msk #clinical
Lachman Test for ACL Injury

The patient lies supine and with the knee in ~20-30 degrees of
ACL Injury The ... supine and with the knee ... degrees of flexion, hip ... clinical #video #physicalexam ... #msk #orthopedics
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... syphilis, and HIV ... the lesion Posterior ... #differential #diagnosis ... #neurology
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
- Differential Diagnosis ... Herpes zoster - HIV ... Trauma • Crush injury ... lower #extremity #msk ... #physicalexam
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
spared in this injury ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
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 ... cord infarct • HIV ... perineum, and posterior ... • Provocative Tests ... #causes #neurology