Condition
PAC medical abbreviation
PAC means "premature atrial contraction".
Each meaning matched at least two public references (2 in all for PAC), checked October 23, 2026. The table lists them.
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What PAC means
| Meaning | Latin origin | Where used | Checked against |
|---|---|---|---|
| premature atrial contraction | None | Charting, Problem lists |
Example
Sample ECG note: "PACs."
A made-up line that shows the abbreviation in place. It is not about any patient and is not an instruction.
Related abbreviations
Elsewhere on Rivvi
Questions
What does PAC mean in medical terms?
PAC means "premature atrial contraction".
Where is PAC used?
PAC shows up in charting and problem lists. Its category here is condition.
Is PAC on the Joint Commission Do Not Use list?
No. PAC is not on the Joint Commission Do Not Use list or the ISMP error-prone list as checked on October 23, 2026.