In medical shorthand, what does 'q 4 hr' mean?

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Multiple Choice

In medical shorthand, what does 'q 4 hr' mean?

Explanation:
The main idea is how shorthand uses “q” to mean “every.” When you see q 4 hr, it’s telling you to dose every four hours. In practice this means the medication should be given around the clock at four-hour intervals to keep the drug level steady. This is different from other common schedules: every 12 hours (twice daily), every 8 hours, or every 24 hours (once daily). So q 4 hr specifically means an interval of four hours between doses.

The main idea is how shorthand uses “q” to mean “every.” When you see q 4 hr, it’s telling you to dose every four hours. In practice this means the medication should be given around the clock at four-hour intervals to keep the drug level steady. This is different from other common schedules: every 12 hours (twice daily), every 8 hours, or every 24 hours (once daily). So q 4 hr specifically means an interval of four hours between doses.

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