An echocardiogram reveals an ejection fraction of 55%. On the basis of this information, the patient's cardiac function is
a. adequate. c. moderately decreased.
b. mildly decreased. d. severely decreased.
A
Ejection fraction is expressed as a percent, with normal being at least greater than 50%. An ejection fraction of less than 35% indicates poor ventricular function (as in cardiomyopathy), poor ventricular filling, obstruction to outflow (as in some valve stenosis conditions), or a combination of these.
You might also like to view...
The nurse is preparing to provide care for a client with a C4 spinal cord injury. What should be the priority of care for this client?
1. Taking a shower 2. Maintaining the airway 3. Making an unoccupied bed 4. Using a manual wheelchair
The preceptor nurse delegates a complex nursing procedure to a newly licensed nurse. The new nurse makes an error, which results in the patient's death. Does the preceptor hold any liability in this case?
1. Yes, but only because the event resulted in patient demise. 2. Yes, the preceptor is responsible for delegating appropriately and supervising completion of tasks. 3. No, since the new nurse has a license, all liability is retained by the new nurse. 4. No, since the new nurse is employed by the medical facility, all liability is corporate.
A patient diagnosed with vascular dementia gets more confused, agitated, and anxious in the evening. This behavior represents
a. sundowning. b. moonlighting. c. differentiating. d. misinterpreting.
The extent to which people engage in behaviors such as planning, investing in the future, and delaying gratification is which cultural dimension?
a. Power distance b. Future orientation c. Institutional collectivism d. Gender egalitarianism