14 results
Anterior Interosseous Peripheral Nerve Injury 

Manifested as the inability to make the OK sign.

by Dr. Boby
to make the OK sign ... Peripheral #Injury #OK #Sign ... OKSign #clinical #video ... #msk #sports #neurology ... #orthopedics #Hand
Drugs associated with hypokalemia and hypomagnesemia

Hypokalemia
- Shift from extracellular fluid to intracellular fluid compartment
  -
Drugs associated ... renal Fanconi syndrome ... hypomagnesemia #Medications ... #differential # ... diagnosis #nephrology
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Anterior Cord Syndrome ... clumsiness in hands ... pathophysiology #signs ... #symptoms #msk ... #orthopedics #neurology
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
Froment's Sign is ... Palsy #clinical #video ... #neurology #physicalexam ... #msk #orthopedics ... #sports #hand
Positive Hoffmann's sign (finger flexor reflex)

Flexion and adduction of the thumb and flexion of the index
Positive Hoffmann's sign ... reflex #clinical #hand ... #video #physicalexam ... #msk #orthopedics ... #neurology #sports
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... • Acute stroke syndromes ... Lack of UMN/LMN signs ... #Weakness #Differential ... #Diagnosis #neurology
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
life-threatening Differential ... test - Cogan sign ... - Peek sign ... immunologic assay - MuSK ... precipitated by: Drugs
Wartenberg Sign in Ulnar Neuropathy

Abnormal abductor the fifth finger due to ulnar neuropathy ( weakness of
Wartenberg Sign ... Ulnar #Neuropathy #hand ... finger #clinical #video ... #physicalexam #neurology ... #msk #sports #orthopedics
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... reactions Common Drugs ... - Tumor lysis syndrome ... Medications 2. ... potassium #high #nephrology
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... hematuria • Signs ... Postpartum • Drugs ... #Hematuria #Differential ... causes #urology #nephrology