Flash. GI antiemetics

Welcome to your Flash. GI antiemetics

Flashcard# 1 GI antiemetics

Which drug, belonging to the serotonin (5-HT3) receptor antagonist group, is commonly used as an antiemetic in chemotherapy-induced nausea and vomiting?

Ondansetron

Flashcard# 2 GI antiemetics

What common side effect is associated with the dopamine receptor antagonist, metoclopramide?

Extrapyramidal symptoms.

Flashcard# 3 GI antiemetics

Which class of antiemetic agents can cause a prolonged QT interval?

Serotonin (5-HT3) receptor antagonists like ondansetron.

Flashcard# 4 GI antiemetics

Why should antiemetics be used with caution in patients with gastrointestinal obstruction?

Some antiemetics can reduce gastrointestinal motility, further exacerbating the obstruction.

Flashcard# 5 GI antiemetics

What is an important precaution to consider when using promethazine (Phenergan) as an antiemetic?

It should not be administered intra-arterially due to the risk of arterial spasm and subsequent gangrene.

Flashcard# 6 GI antiemetics

If a patient on chemotherapy is prescribed an antiemetic prophylactically, when is the best time to administer it?

Typically, it's best to administer the antiemetic before chemotherapy to prevent the onset of nausea and vomiting.

Flashcard# 7 GI antiemetics

How should a nurse monitor a patient taking an antiemetic known to cause QT prolongation?

Regular ECG monitoring should be done to assess QT interval.

Flashcard# 8 GI antiemetics

In addition to drug therapy, what non-pharmacological recommendation can be provided to a patient experiencing nausea?

Encourage small, frequent meals and avoidance of strong odors. Ginger or wrist acupressure bands might also be beneficial for some.

Flashcard# 9 GI antiemetics

For patients receiving antiemetics, what side effect related to the central nervous system should nurses be vigilant about?

Drowsiness or sedation, which can impair the patient's ability to perform tasks that require alertness.

10.

Flashcard# 10 GI antiemetics

If a patient is prescribed an antiemetic for a scheduled surgery, when is the optimal time for administration to prevent post-operative nausea and vomiting?

The antiemetic is usually administered pre-operatively or intra-operatively to prevent post-operative symptoms.

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