---
title: HKElectrocardiogramQueryDescriptor.Results.Iterator
framework: healthkit
role: symbol
role_heading: Structure
path: healthkit/hkelectrocardiogramquerydescriptor/results/iterator
---

# HKElectrocardiogramQueryDescriptor.Results.Iterator

An iterator for accessing individual voltage measurements from the series.

## Declaration

```swift
struct Iterator
```

## Relationships

### Conforms To

- [AsyncIteratorProtocol](swift/asynciteratorprotocol.md)