Answer :
Final answer:
Your assistant assesses effectiveness of positive-pressure ventilation by first assessing the heart rate and oximetry.
Explanation:
When evaluating the success of positive-pressure ventilation, essential parameters to monitor include heart rate and oxygen saturation (oximetry). The heart rate helps assess circulation sufficiency, and oximetry evaluates oxygen saturation in the blood. These two elements are required for effective gas exchange in the lungs, a process integral to positive-pressure ventilation.
Positive-pressure ventilation refers to a method of supporting or replacing a person's natural breathing, where air is forced into the lungs under pressure. As the lungs expand and fill with air, the positive pressure allows the gas to be exchanged more efficiently in the pulmonary capillaries.
Besides heart rate and oximetry, other factors such as pulmonary ventilation and thoracic wall compliance are also important. The pressure gradient across the thoracic wall influences the flow of air in and out of the lungs, while the compliance of the thoracic wall determines how much effort is needed to breathe.
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