37 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... , C8 (radial) Finger ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Gerstmann Syndrome
1) Finger agnosia - Inability to name their own fingers, affecting both sides
2) Right-left confusion
Gerstmann Syndrome ... 1) Finger agnosia ... name their own fingers ... - Inability to differentiate ... #neurology #diagnosis
Mechanisms of Pain
Mixed - Nociceptive/Neuropathic
Nociceptive - Tissue Damage
 - Visceral - (From organ/cavity lining) Poorly localized,
lancinating - Peripheral ... regional pain syndrome ... #Differential # ... Diagnosis #Algorithm ... #Causes
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Peripheral and Central ... Peripheral Causes ... / #Vertigo #Peripheral ... #differential # ... diagnosis #neurology
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT2)

To assess for Median Nerve Peripheral Neuropathy

Elbow extension →
forearm supination → wrist ... dorsiflexion/finger ... clinical #video #physicalexam ... #sports #msk #orthopedics ... #neurology #ULNT
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Causes of Peripheral ... Diagnosis Algorithm ... Lambert-Eaton Myasthenic Syndrome ... #Weakness #Neurology ... #Causes
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
- Differential ... Diagnosis Algorithm ... of hypokalemia starts ... #diagnosis #algorithm ... #causes #nephrology
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT1)

To assess for Median Nerve Peripheral Neuropathy

Shoulder abduction →
forearm supination → wrist ... dorsiflexion/finger ... clinical #video #physicalexam ... #sports #msk #orthopedics ... #neurology #ULNT
Etiologies of Peripheral Neuropathy
 • Metabolic / Nutritional: DiabetesB12 deficiency, Uremia/ESRD, Hypothyroidism
 • Medication-induced: ART, Antibiotics,
Etiologies of Peripheral ... Paraprotein-associated (POEMS syndrome ... #Neuropathy #differential ... #diagnosis #causes ... #neurology
Hypophosphatemia - Differential Diagnosis Algorithm
 • Decreased intake/absorption: Starvation, Alcoholism, Malabsorption, Phosphate binder use
 • Redistribution/
Hypophosphatemia - Differential ... Diagnosis Algorithm ... Malabsorption, Phosphate binder ... ), Hungry bone syndrome ... #causes #nephrology