75 results
Anterior Interosseous Peripheral Nerve Injury 

Manifested as the inability to make the OK sign.

by Dr. Boby
Peripheral Nerve Injury ... Nerve #Peripheral #Injury ... clinical #video #neurology ... physicalexam #msk #sports ... #neurology #orthopedics
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Anterior Cord Syndrome ... • Central Cord Syndrome ... Posterior Cord Syndrome ... symptoms #msk #orthopedics ... #neurology
Gerstmann Syndrome
1) Finger agnosia - Inability to name their own fingers, affecting both sides
2) Right-left confusion
Gerstmann Syndrome ... 1) Finger agnosia ... - Inability to differentiate ... Traumatic Brain Injury ... #neurology #diagnosis
Positive Hoffmann's sign (finger flexor reflex)

Flexion and adduction of the thumb and flexion of the index
Hoffmann's sign (finger ... indicating cervical injury ... Hoffmanns #sign #finger ... physicalexam #msk #orthopedics ... #neurology #sports
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Normal Acid-Base: Low ... #Hypokalemia #Differential ... causes #potassium #low ... #nephrology
Mechanisms of Pain
Mixed - Nociceptive/Neuropathic
Nociceptive - Tissue Damage
 - Visceral - (From organ/cavity lining) Poorly localized,
Well-localized, sharp, short ... regional pain syndrome ... • Spinal injury ... Pain #Mechanisms #Neurology ... #Differential #
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Metabolic Alkalosis - Differential ... hyperaldosteronism • Low ... , NGT suction, Low ... Metabolic #Alkalosis #Differential ... Diagnosis #Algorithm #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Metabolic Alkalosis - Differential ... hyperaldosteronism • Low ... , NGT suction, Low ... Metabolic #Alkalosis #Differential ... Diagnosis #Algorithm #Nephrology
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Spinal Cord Injury ... Finger Flexion ... #SpinalCord #Injury ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Workup of Hypercalcemia - Differential Diagnosis Algorithm
High or Normal PTH:
 • Hyperparathyroidism: Parathyroid adenoma, Parathyroid hyperplasia,
Hypercalcemia - Differential ... Hypercalcemia Low ... PTHrP: - Low ... disease, Viral Syndromes ... Algorithm #Workup #nephrology