17 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity Dermatomes ... , C8 (radial) Finger ... #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
like following a finger ... ) • Test of Skew ... Peripheral #Vertigo #diagnosis ... #neurology #bppv ... #comparison #table
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
• Cauda Equina Syndrome ... Commonly caused ... #Myotomes #diagnosis ... #neurology #sensory ... #motor #leg #physicalexam
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
very sensitive diagnostic ... regarding the cause ... Pupillary #Defect #Neurology ... #Clinical #Video ... Pupils #MacrusGunn #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 ... region (S2-S4 dermatomes ... • Provocative Tests ... absent anal wink test ... #causes #neurology
Horner's Syndrome on Physical Exam

A 75yoF was referred in for facial swelling and eyelid changes 1
consistent with a diagnosis ... experience, the cause ... #clinical #video ... ophthalmology #physicalexam ... #neurology #Anisocoria
Rhombencephalitis
BACTERIAL
- Listeria (biphasic illness with bulbar dysfunction occurring later)
- Mycobacterium tuberculosis
- Pneumococcus
- Brucella
- Borrelia (Lyme Disease)
-
encephalitis, West ... - Bickerstaff syndrome ... myasthenia, Miller-Fisher ... #Differential #Diagnosis ... #Causes #Neurology
One and a Half Syndrome on Physical Exam

This 28 year old patient presented to clinic with
OD and counting fingers ... the follow up video ... the hospital, diagnosed ... #PhysicalExam # ... ophthalmology #neurology
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
- Differential Diagnosis ... include a: • Neurologic ... signals in the inner ... cause unknown) ... II ○ Susac’s syndrome
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... - Differential Diagnosis ... in primary or secondary ... Fecal occult blood test ... #dermatology #physicalexam