Barotrauma, Asphyxia Flashcards
___(Stage of asphyxia) increased rate of respiration, leading to dyspnea, exaggerated movement of inspiratory muscles, rise of BP, bluish discoloration then loss of consciousness, contracted pupils
Stage of Increasing Dyspnea (30 sec to 1 minute)
____( stage of asphyxia) where there is marked expiratory effort, convulsive movement, BP lowers
Stage of expiratory convulsion
_____(stage of asphyxia) where the person lies still except for occasional deep inspiration. BP drops, pupils dilated
Stage of Exhaustion
This law states that at constant temperature, the amount of gas dissolved in a liquid is directly proportional to the pressure.
Henry’s law
Term used when a diver experiences a euphoric feeling/rupture/drunkeness of the sleep
nitrogen narcosis
What are the effects of sudden ascent from diving?
interstitial emphysema, pneumothorax, pulmonary air embolism
Most aircraft fatalities occur during
take-off and landing
Most helicopter accidents happen during
flight. not during take off and landing
____ caused by the rupture of capillaries due to increased intra-capillary pressure/small petechial hemorrhages due to asphyxia
Tardieu spots
A woman was found dead due to asphyxia. The ligature is found above the thyroid cartilage which has a V-shape, she probably died via
Hanging.
If strangulation, it is found below the thyroid cartilage an horizontal mark.
The death is ____ (spontaneous, gradual) if the ligature is made below the larynx
spontaneous.
if its above the larynx, death happens in 3 to 5 minutes
___ is a form of asphyxial death caused by the closing of the external respiratory orifices, either by use f hand or by some other means
smothering
This phase of drowning consists of a short period of apnea due to irritation of the sensory laryngeal nerve by the cold water.
Phase of resistance
___ is a phase of drowning that occurs at the moment when the mouth and nose are covered with fluid
“Respiration de surprise”
___ is the first aid method when a drowning patient lies face down then one exerts a pressure on the lower ribs at the rate of 12 to 15 minutes
Schaefer’s method