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FORENSIC > corrosives > Flashcards

corrosives Flashcards

1
Q

CORROSIVES def

A

is a highly active irritant , it produces inflammation and ulceration of the tissue
consists of strong avid and alkalis
MINERAL ACIDS = sulfuric acid , nitric acid , hydrochloric acid
ORGANIC ACID = oxalic and carbolic acids
CONC ALKALIS = caustic soda

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2
Q

action of sulfuric acid

A

damages tissue by dehydration ,

tissue appear black or brown due to conv of Hb to acid haematin

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3
Q

signs and symptoms

A

brown eschars on lips

teeth chalky white , color and deprived of polish

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4
Q

TREATMENT SULFURIC ACID

A

morphine to relive pain ,
ice , corticosteroids
stomach wash with in hr after 1 hr is contraindicated

ANTIDOTE = MILK OF MAGNESIA

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5
Q

Sulfuric acid antidote

A

milk of magnesia

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6
Q

ML importance of SULFURIC ACID

A

vitriolage
suicidal cases
accidental cases
Abortificant

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7
Q

Nitric acid action

A

powerful oxidizing agent

xanthoproteic reaction

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8
Q

xanthoproteic reaction

A

when nitric acid+protein=picric acid prod and stains tissue yellow

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9
Q

ml aspects of nitric acid

A

vitriolage
suicidal
accidental poisonig

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10
Q

symtopms and treatment of nitruc acid

A

same as sulfuric acid

one addition= tissue yellow

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11
Q

hydrochloric acid ml importsnce

A

used to erase writing attempts at fogery

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12
Q

oxalic acid action

A

local corrosive action on mucous membrane

remote +serum calcium= dec cal lvl = voilent muscle stimulation , convulsion and collapse

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13
Q

symptoms and signs of oxalic acid

A

vomiting of black color due to altered blood
oliguria
albuminuria and hematuria
calcium oxalate crystals in urine

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14
Q

treatment oxalic aic

A

stomach wash

antidote= CHALK

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15
Q

ML ASPECTS OF OXALIC ACID

A

suicidal posiojing
to erase writing in attempt to fogery
homicidal
accidental

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16
Q

carbolic acid action

A

local anasthetic and corrosive on skin and mucous membrane

remote = CNS , collapse and rapid unconciousness

17
Q

treatment of carbolic acid

A

stomach wash

18
Q

signs and symptoms of carbolic acid

A

carboluria on standing up metabolized products of carbolic acids in urine are oxidized resulting in dark smoky green color urine, this is known as CARBOLURIA

FORENSIC (4 decks)

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