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six penny bruise
non accidental
multiple fractures
a sign of child abuse.
retinal hemorrhage
how is artificial bruise different?
VESICLES AND PRURITUS PRESENT.
COLOUR CHANGE ABSENT.
what is contusion and how to tell its age?
INTERNAL ORGAN BLEED
initial few hr-3d 4th-day 5-6d 7-12d 2WEEKS
Red(oxy hb) VI(blue-de oxyhb) Brown Green(biliverdin) Yellow(bilirubin) Original
Wounds over bony prominence?
Incised looking lacerted wounds(less amount of fat over the bone)
Opposite is also true.
Lightning burns also called as?
Filligree,arborization,lichenburg flowers
Type of burn due to HIGH VOLTAGE ELECTRICAL INJURY IS?
What is most dangerous type of current?
most important factror for death is?
mcc of death is?
CROCODILE BURNS
ALTERNATING
AMPERAGE OF THE CURRENT
ARRYTHMIAS
Ulcers and their possible reasons-
wishnevsky-
curling-
cushing-
cameron-
HYPOTHERMIA
BURNS(BURN DUE TO CURLER)
HEAD INJURY(SOUNDS LIKE CRUSHING)
SLIDING HERNIA
Heat cramps vs heat exhaution vs heat stroke-define.
ELECTROLYTE LOSS ONLY VS ELECTROLYTE AND FLUID LOSS(dehydration) VS CORE TEMP>40.5+HEAT STRESSOR+NEUROLOGICAL DYS.
SWEATING+(exertional); SWEATING-NT(classical).
define-primary vs secondary vs tertiary blast injury.
PRIMARY is direct impact-TM(mc)>LUNGS>COLON=HOLLOW ORGANS.
SECONDARY is SHARPNELLS-MARSHALL TRIAD-ABRASION,CONTUSION,LACERATION.
TERTIARY is HEAD,CERVICAL SPINE FRACTURES
match the following-
rifle,choking,bullet,pellet,rifling
RIFLE-RIFLING,BULLETS
SHOTGUN-CHOKING,PELLET
Markings on a bullet-
Primary marking-
Secondary-
MANUFACTURER
INDIVIDUAL GUN
How to collect and test Gunshot residue-
PARAFFIN WAX.
DERMAL NITRATE TEST AND SCANNING EM-EDXA(best)
Primers used-
Barium nitrite
Lead peroxde
Antimony Sulfide
Tetracene
Features based on the distance of the shot.
BB T GREASE COLLAR ABRASION COLLAR
CONTACT- Y(inside the wound) Y Y Y
CLOSE- Y(outside) Y Y Y
NEAR/INT.- N Y Y Y
DISTANT- N N N N