16 results
Micronutrient Deficiencies After Gastric Bypass
Fat-Soluble Vitamins:
 • Vitamin A - Night/complete blindness, xeropthalmia (pathologic dryness of
• Thiamine - Nausea ... oculomotor dysfunction, gait ... • Vitamin B12 ... Myelopathy with muscle weakness ... nutrition #table #differential
Generalized Weakness - Differential Diagnosis Framework
"l feel weak":
 • Infectious: Influenza, EBV, PNA, Bacteremia, Sepsis
 •
Generalized Weakness ... - Differential ... ILD, OSA, pHTN, Anemia ... Diagnosis #causes ... #neurology
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Weakness • Spinal ... : Acid maltase deficiency ... #Causes #differential ... #diagnosis #neurology
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
) Deficiency Etiology ... • Common Causes ... intrinsic factor, IF) Clinical ... parasthesias, gait ... #Cobalamin #Deficiency
Creatine Kinase - Causes of Elevated CK Levels
Acute CK Elevation (Pain > Weakness):
 • RHABDOMYOLYSIS
Creatine Kinase - Causes ... immobility • Critical ... Subacute to Chronic Causes ... - Vit D/E deficiency ... #Elevated #CK #differential
Fatigue and IBD Algorithm
 • 40-50% patients have fatigue despite clinical remission
 • Risk factors: BMI,
fatigue despite clinical ... Crohn's > UC Anemia ... Receptor (sTfR) to differentiate ... restricted diet/deficiency ... /other causes
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... endocrine: Vitamin B12 ... deficiency • ... dystrophies Work ... #Differential #
Major neurocognitive disorders (MNCD): Diagnosis and workup 

1) Clinical diagnosis Cognitive impairment + loss of autonomy
2)
1) Clinical ... Whipple, vitamin deficiency ... Alzheimer - 1st cause ... - Progressive amnesia ... MNCD #Dementia #Differential
Low Alkaline Phosphatase - Hypophosphatasia 

Is Low Alkaline Phosphatase Of Clinical Importance?

ALP enzyme- Discovered in 1923
Low
• Pernicious anemia ... /B12 deficiency ... respiratory failure • Neurologic ... ) - Waddling gait ... Phosphatase: • Other causes
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... HIV) - Vitamin B12 ... , Copper deficiency ... syndromes #lesions #differential ... #diagnosis #neurology