68 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... Abduction - C8-T1 (ulnar ... Anterior Shoulder ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam
Modified Allen's Test - Collateral Hand Circulation
- Apply pressure to the radial and ulnar arteries
- Release
the radial and ulnar ... pressure on the ulnar ... - Color should ... #circulation #physicalexam ... #video #vascular
Pemberton's Sign caused by a Retrosternal Thyroid Goiter

Elevating the arms causes the previously flat neck veins
Pemberton's Sign caused ... Elevating the arms causes ... superior vena cava syndrome ... Thyroid #Goiter #PhysicalExam ... clinical #video #vascular
Causes of Encephalopathy - Differential Diagnosis Algorithm
Hyperacute:
 - Primary Neurologic: Vascular (IS, ICH), Seizure, Migraine, Trauma
Causes of Encephalopathy ... : Vascular (IS, ... : Vascular (SDH) ... paraneoplastic syndromes ... Diagnosis #Algorithm #Causes
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Peripheral and Central Causes ... Vertigo Peripheral Causes ... Uncommon): - Vascular ... hemorrhage - Non-vascular ... differential #diagnosis #neurology
Marcus Gunn Phenomenon - Jaw Winking Syndrome

Jaw-winking syndrome is thought to be caused by abnormal innervation
- Jaw Winking Syndrome ... Jaw-winking syndrome ... thought to be caused ... clinical #video #neurology ... #physicalexam #
Causes of acute kidney injury (AKI). AKI is classified into pre-renal, renal, and post-renal causes. Renal
Causes of acute ... Renal causes of ... AKI should be considered ... of the kidney (vascular ... #Sites #Nephrology
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
Causes of Seizures ... Tonic-clonic Provoked: • Vascular ... thrombosis, Congenital vascular ... vasoconstriction syndrome ... #neurology
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
Froment’s Test for Ulnar ... grip weakness caused ... by ulnar nerve ... clinical #video #neurology ... #physicalexam #
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... Defining the cause ... Clinicians should ... diagnosis #algorithm #causes ... #nephrology #potassium