Symmetrical peripheral neuropathy (motor and sensory) mostly distal extremities
CHF, high output heart failure, cardiomegaly, peripheral edema, tachycardia, DOE/PND/orthopnea
Can include neuropathy seen in Dry<unk> 
CHF, cardiomegaly, tachycardia, cyanosis, dyspnea, weight loss, marasmus, vomiting, loud cry, nystagmus, seizure
Occurs 1-3 months post-bariatric surgery
Causes are multifactorial, including low nutritional intake, poor baseline nutrition, persistent vomiting, malabsorption
Beriberi
Vitamin A deficiency
Chilblains
Vitamin B deficiencies
Trachoma
Vitamin B1 deficiency 
Chalazion
Scombroid