Sharp Force Injuries Indian Medical PG Flashcards - Medical Study Cards
Master Sharp Force Injuries with OnCourse flashcards. These spaced repetition flashcards are designed for medical students preparing for NEET PG, USMLE Step 1, USMLE Step 2, MBBS exams, and other medical licensing examinations.
Sharp Force Injuries Flashcard Deck - 10 Cards
Flashcard 1: Negative vital reaction is seen in a(n) _____-mortem wound
Answer: Post-mortem
Extra: Vital reaction is the response of living tissue to trauma (e.g., inflammation, bleeding, healing).
• **Positive vital reaction:** Indicates the injury occurred while the person was alive (**antemortem**).
• **Negative vital reaction:** Indicates the injury occurred after death (**post-mortem**).
Flashcard 2: Deposition of various residues surrounding the entrance defect of the bullet on the victim's clothes at various ranges known as _____.
Answer: Bullet wipe
Flashcard 3: Cadaveric spasm only indicates _____ of death.
Answer: manner (manner/time)
Flashcard 4: Spurious wounds in burn victims:Include Skin splits and _____
Answer: heat hematoma
Flashcard 5: _____-mortem abrasions are usually present over bony prominences.
Answer: Post (Ante/Post)
Flashcard 6: Presence of blisters with thin, clear fluid is indicative of _____mortem burns.
Answer: post::post/ante
Flashcard 7: Time since death can be calculated using the formula: _____
Answer: (98.4 - Rectal temperature) / 1.5
Extra: This is known as Glaister's formula. It estimates the Post-Mortem Interval (PMI) in hours. (Note: Temperature is in Fahrenheit; 1.5 is the average rate of cooling per hour).
Flashcard 8: The order of appearance of rigor mortis (Nysten's Law) is: _____
Answer: Eyelids → Jaw → Neck → Trunk → Upper limbs → Lower limbs
Extra: Rigor mortis follows Nysten's Law, typically appearing in a cranio-caudal (downward) direction. It also disappears in the same order it appeared.
Sequence: Eyelids → Jaw → Neck → Trunk → Upper limbs → Lower limbs.
Note: The heart is the first muscle to develop rigor mortis (within 1 hour).
Flashcard 9: Two reliable indicators suggesting that the victim was alive while the fire was in progress:1. Elevated levels of _____ in the circulating blood.2. Carbon particles in the air passages and lungs
Answer: carbon monoxide
Flashcard 10: _____ appears on the sclera 3-4 hours after death
Answer: Tache noire
Extra: Tache noire occurs due to the drying (desiccation) of the exposed part of the sclera when the eyelids are open after death. It is characterized by brownish-black triangular spots on either side of the cornea.
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