Which of the following diagnostic criteria is indicative of ARDS?
a. Radiologic evidence of bibasilar atelectasis
b. PaO2/FiO2 ratio less than or equal to 200 mm Hg
c. Pulmonary artery wedge pressure greater than 18 mm Hg
d. Increased static and dynamic compliance
B
The Berlin Definition of ARDS is as follows: timing-within 1 week of known clinical insult or new or worsening respiratory symptoms; chest imaging-bilateral opacities not fully explained by effusions, lobar or lung collapse, or nodules; origin of edema-respiratory failure not fully explained by cardiac failure or fluid overload; need objective assessment to exclude hydrostatic edema if no risk factor present; oxygenation-mild (200 mg Hg less than PaO2/FiO2 less than or equal to 300 mm Hg with positive end-respiratory airway pressure (PEEP) or constant positive airway pressure greater than or equal to 5 cm H2O), moderate (100 mg Hg less than PaO2/FiO2 less than or equal to 200 mm Hg with PEEP greater than or equal to 5 cm H2O), or severe (PaO2/FiO2 less than or equal to 100 mm Hg with PEEP greater than or equal to 5 cm H2O). The mortality rate for ARDS is estimated to be 34% to 58%.
You might also like to view...
Which of the following responsibilities does the occupational health nurse (OHN) have in relation to an injured employee and the Workers' Compensation Act?
a. To assist the employee in obtaining legal representation to negotiate a financial settlement b. To assist the employer to work out a settlement with the employee to avoid legal suits against the employer c. To file a claim for the employee with Workers' Compensation to ensure continued full salary until the employee is able to return to work d. To work with the employee to keep the employee informed, limit disability, and provide opportunity for rapid return to employment
Regarding the decision to use either a directional or nondirectional alternative hypothesis, most researchers
a. have no convention at all in practice because there are pros and cons to each choice. b. typically use nondirectional alternative hypotheses if the significance level is .05 and directional if it is .01. c. prefer to use directional because of the increase in statistical power. d. use nondirectional alternative hypotheses because this allows you to reject the null if your finding occurs in the opposite direction from your prediction. That is, it allows you to discover something new.
A client's pulse pressure should be between how many mmHg?
a. 10 and 20 c. 50 and 60 b. 30 and 40 d. 70 and 80
The population health nurse is teaching a group of elderly clients. What action should the nurse take to circumvent hearing loss?
1. Using a higher-pitched voice. 2. Employing verbal teaching techniques. 3. Facing the listener while speaking. 4. Using background music.