# Ultrasound Animal Challenge 1 – What is the Tiger-stripe sign?

## Metadata
- Content type: Blog
- Canonical URL: https://123sonography.com/blog/cases/ultrasound-animal-challenge-1-what-tiger-stripe-sign
- Published: September 8, 2022
- Last updated: November 14, 2024

## Overview
Do you know your “ultrasound Fauna”? Can you relate the following animal to a specific ultrasound finding?

## Snapshot
- Category: Cases

## Authors
- [Univ. Prof. Dr. Thomas Binder](/speaker/146) - Medical University of Vienna and founder/CMO 123Sonography, Webinar Moderation

## Tags
- Ultrasound Loop

## Content
Do you know your “ultrasound Fauna”? Can you relate the following animal to a specific ultrasound finding?

## What is the Tiger-stripe sign?

![Tiger stripe Doppler.](https://123sonography.com/sites/default/files/2024-11/tiger-stripe-doppler.jpg)**A) A reason to buy a new scanner**

**B) A high amplitude Doppler signal caused by oscillating structures**

**C) A Doppler pattern which occurs if contrast is injected**

**D) A typical Doppler pattern often seen in endocarditis**

Post your comments below or [**get the answer**](https://123sonography.com/blog/ultrasound-animal-challenge-1-%E2%80%93-answer).

**Yours,**
**Thomas Binder and the 123sonography team**