36 results
Anterior Interosseous Peripheral Nerve Injury 

Manifested as the inability to make the OK sign.

by Dr. Boby
Interosseous Peripheral Nerve ... #Interosseous #Nerve ... OKSign #clinical #video ... #neurology #physicalexam ... #msk #sports #neurology
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Facial Weakness - Differential ... Diagnosis Algorithm ... - Intracranial tumor ... (2% of facial nerve ... #Causes #neurology
Hoffman's sign. Even in this specific case, accompanied by a clonus outline (rhythmic contractions). The median
The median nerve ... middle finger. 2) Ask ... Hoffmanns #Sign #Reflex ... #clinical #video ... #neurology #PhysicalExam
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Drop - Radial Nerve ... of the radial nerve ... PhysicalExam #clinical #video ... #orthopedics #msk ... #sports #neurology
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
Cord Injury by Nerve ... C6 Dorsal Thumb ... C7 Dorsal Middle ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Orbicularis Reflex in an Alzheimer's Patient on Physical Exam

Alzheimer's is a degenerative, progressive and irreversible disease.
examination is usually normal ... present in the video ... The nerves involved ... PhysicalExam #clinical #video ... #neurology
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Demyelinating Disease (MS ... Myelitis, Trauma, Tumor ... • Motor Nerves ... Weakness #Causes #differential ... #diagnosis #neurology
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential ... Algorithm Acidosis ... - Diarrhea pH Normal ... Renin secreting tumor ... Causes #Workup #Nephrology
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic algorithm ... transfusion • Tumor ... Nephropathy Renin Normal ... #nephrology #potassium ... #differential
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... Extra-renal Losses: • Normal ... Renin secreting tumor ... potassium #low #nephrology