click below
click below
Normal Size Small Size show me how
Near Drowning
Near Drowning Ch42
Question | Answer |
---|---|
How is drowning defined? | suffocation and death as a result of submersion in liquid. |
What is near drowning? | situtation in which a victim survives a liquid submersion, at leat temporarily. |
What is dry drowning? | glottis spasms and prevents water from passing into the lungs. |
What is wet drowning? | glottis relaxes and allows water to flood the tracheobronchial tree and alveoli. |
What is the response to a parasympathetic-mediated reflex. | the bronchi constric. |
What is the pathophysiologic responsible for? | noncardiogenic pulmanary edema |
What are the pathologic and structural changes in drowning? | Laryngospasm and bronchial constrictionInterstitial edema,engorged perivascular and peribronchial spaces, alveolar walls, and interstitial spacesDec surfactantInc ST of alveolar fluidalveolar shrinkage and atelectasisfrothy white secretions |
What are the clinical manifestations from drowning? | Atelectasis, alveolar consolidation, increased alveolar-capillary membrane thickness and bronchospasm |
What are the clinical data obtained with drowning? | increased RR, stimulation of peripheral chemoreceptors, decreased lung compliance,increased ventilatory rate relationship, stimulation of J receptors and anxiety, increased HR BP and cardiac output |
What will the chest assessment be for drowning? | crackles and rhonchi |
What will the blood gas be for drowning? | Acute Ventilatory Failure with hypoxemia |
What are the radiologic findings in drowning? | Fluffy infiltrates and pneumothorax and pneumomediastinum |
What is the patients prognosis if they have been submerged in cold water for less than 60 minutes? | Does not indicate poor prognosis. |
What is the primary goa during transport of a drowned patient? | high-quality CPR with 100% oxygen. |
What do most drowned patients suffer from? | hypoxemia, hypercapnia, and acidosis. |