20 results
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
- Differential Diagnosis ... (2% of facial nerve ... 75%), Infection, Compression ... #Differential #Diagnosis ... #neurology #sparing
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
hand drop due to compression ... sleeping as in this case ... , due to compression ... #Palsy #PhysicalExam ... #msk #sports #neurology
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
Froment’s Test for ... Ulnar Nerve Palsy ... grip weakness caused ... clinical #video #neurology ... #physicalexam #
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
- Differential Diagnosis ... Oculomotor (3rd cranial nerve ... artery aneurysm (Compression ... no neurological cause ... #neurology
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... with a peripheral cause ... with a central cause ... #Diagnosis #PhysicalExam ... #Neurology #AVS
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Commonly caused ... damage to peroneal nerve ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #leg #physicalexam
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
to the radial nerve ... axillary nerve ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
- Differential Diagnosis ... include a: • Neurologic ... tympanic membrane • Neurologic ... #Differential #Diagnosis ... #otology #otolaryngology
Romberg's Test for Proprioception
History: First described in the 19th century in patients with tabes dorsalis (later
Romberg's Test for ... Meaning: Positive test ... Observe when patient closes ... #neurology #diagnosis ... proprioception #physicalexam
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
alternating light test ... very sensitive diagnostic ... regarding the cause ... Pupillary #Defect #Neurology ... Pupils #MacrusGunn #PhysicalExam