Which of the following artifacts may occur if a patient is talking during an EKG?
Alternating current
Interrupted baseline
Somatic tremor
Wandering baseline
The Correct Answer is C
A. Alternating current: Alternating current interference is due to electrical equipment, not patient movement or talking.
B. Interrupted baseline: An interrupted baseline occurs when there is a break in the electrical connection, often due to a loose lead, not because of patient talking.
C. Somatic tremor: Somatic tremor can occur due to muscle movement, including that caused by talking. This can result in erratic, uneven spikes on the EKG tracing.
D. Wandering baseline: A wandering baseline is usually caused by improper electrode placement or poor skin contact, not talking. However, excessive movement, including deep breaths or large chest movements during talking, can contribute to a wandering baseline.
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Correct Answer is A
Explanation
A. Wrapping hinged instruments in the open, unlocked position: Hinged instruments should be wrapped in the open, unlocked position to ensure that steam can penetrate all surfaces for effective sterilization.
B. Allowing the temperature of the autoclave to reach 200° F before timing: The autoclave should reach the required temperature (typically 250°F or 121°C) for the appropriate amount of time for sterilization, not 200°F.
C. Using a ballpoint pen to label contents: It is not advisable to use a ballpoint pen for labeling sterilized items because ink might not withstand the autoclave's high temperatures. Permanent markers or labels that can endure high temperatures should be used.
D. Stacking wrapped packages tightly into the autoclave: Items should be arranged in a way that allows steam to circulate freely, so tightly stacking packages can hinder proper sterilization.
Correct Answer is D
Explanation
A. Step away from the patient: Stepping away from a falling patient could result in injury and is not a safe or supportive action.
B. Try to hold the patient in an upright position: Trying to hold a falling patient upright can increase the risk of injury for both the patient and the medical assistant.
C. Break the fall with your body: Using your body to break a fall could cause injury to both you and the patient. It's not recommended.
D. Gradually lower the patient to the floor: If a patient starts to fall, gently guiding them to the floor can help prevent injury by controlling the fall.