Module 12.1 Flashcards

1
Q

Asphyxia

A

Inadequate oxygenation of tissue
Common endpoint in deaths
Broad/varied
Endogenous diseases/exogenous causes
Mechanism of death

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2
Q

Signs of asphyxiation

A

5 classic findings
-cyanosis
-blood fluidity
-RV engorgement
-visceral congestion
-petechiae
None necessary for asphyxia, refuted (some common in vet med)

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3
Q

Suffocation

A

Smothering, choking, confined spaces/entrapment, vitiated atmosphere

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4
Q

Strangulation

A

Ligature, hanging, manual

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5
Q

Mechanical asphyxia

A

Positional or traumatic

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6
Q

Smothering

A

Suffocation
Mech obstruction of nose/mouth
ABOVE epiglottis
Subtle to no findings

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7
Q

Choking

A

Suffocation
Mech obstruction of larynx/airways
BELOW epiglottis
Subtle to no findings

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8
Q

Confined spaces/vitiated atmosphere

A

Suffocation
Confined-inadequate O2
Vitiated-o2 displaced by other gas
No significant findings

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9
Q

Strangulation

A

No consensus of types of lesions
Ligature, manual, hanging
General sequence: resp distress, tachycardia, bradycardia, apnea, terminal respirations, cardiac arrest

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10
Q

Ligature

A

Around the neck tightened by force, not body weight
Few cases
Collect ligature
Lesions: mark/furrow, self inflicted trauma, dark line from subcutis

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11
Q

Hanging

A

Weight of body tightens rope
Complete suspension not required
Lesions: lig and furrow, V configuration w apex at suspension pt, pulmonary edema, congestion, hemorrhage, atelectasis, dependent lobes more congested

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12
Q

Manual

A

Force applied to neck by other means than body weight
Can have other lesions like BFT, SFT, etc.

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13
Q

Mechanical asphyxia

A

Pressure on chest/abdomen
Traumatic-external chest compression
Positional-position of individual

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14
Q

Drowning

A

Respiratory impairment from submersion/immersion in liquid
Diagnosis of exclusion
No specific findings

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