---
type: "operations"
title: "profile-heartrate Operations"
resource: "profile-heartrate"
---
# profile-heartrate Operations

- [lastn](/observation-operation-lastn) — Last N Observations Query — The *lastn query* meets the common need for searching for the most recent or last n=number of observations for a subject.
- [stats](/observation-operation-stats) — Observation Statistics — The Statistics operation performs a set of statistical calculations on a set of clinical measurements such as a blood pressure as stored on the server.