42. Which of the following samples should a phlebotomist present to the laboratory first for processing?
Answer: C
A stat potassium level from a patient in the emergency room should be presented first for processing.
In urgent medical situations, particularly in the emergency room, a stat potassium level is critical for diagnosing and managing potential hyperkalemia or hypokalemia, which can have immediate life-threatening consequences.
A) A sodium level from a patient who has a DNR order
While sodium levels are important, they are not considered as urgent as a potassium level, especially in the context of a patient with a DNR order where immediate intervention may not be anticipated. Therefore, this sample should not take precedence in processing.
B) A hemoglobin and hematocrit level from a patient who is postoperative
Although monitoring hemoglobin and hematocrit is important after surgery to assess for bleeding or anemia, this situation does not typically require the same immediate attention as a stat potassium level in the emergency setting. Consequently, this sample is not the priority for processing.
C) A stat potassium level from a patient in the emergency room
This option is the highest priority as it indicates a critical need for timely results to address potential life-threatening conditions associated with potassium levels. The emergency context demands that this sample be processed first to ensure patient safety.
D) A peak antibiotic level from a patient who is NPO
While monitoring antibiotic levels is important, it is not as immediately critical as assessing potassium levels in an emergency scenario. Therefore, this sample should follow after more urgent tests have been processed.
Conclusion
The stat potassium level from a patient in the emergency room is the most urgent and critical sample that requires immediate processing. Other options, while important in their contexts, do not present the same level of immediate risk to the patient’s health as the potassium level, thus affirming option C as the correct choice.