C7) Corrosives

🤍Gastric lavage is contraindicated in corrosives? Because it may cause perforation

🤍Use of demulcent in in corrosive? Because it coats and protects gastric mucosa

🤍Charcoal is not used in corrosives?Because it is poorly effective in absorbing corrosives and blocks the visual field of endoscopy and cause perforation

🤍Carbolic acid used homicidallyas its characteristic smell makes its detection easily

🤍Carbolie acid used for suicide? Because it is obtained and rapid in action and painless due to its local anesthetic action

🤍gastric lavage can be used in phenol toxicity?Because phenol cause coagulative necrosis leading to thick mucosa and prevention of perforation

🤍Pylorus is at high risk during acid ingestion?Due to absence of buffers and sphinteric spasm

🤍 Coffee ground vomiting in sulfuric acid ?Acid hematin

🤍 Yellowish colour in tissue in nitric acid?Xanthoproteic acid formation

🤍Respiratory symptoms in nitric acid ?Due to glottis eodema and asphyxia

🤍Convulsions and collapse in oxalic acid ?Due to reduction in calcium level

🤍Anuria in oxalic acid?Deposition of calcium oxalate in renal tubules leading to suppression of urine