---
title: "What is a Cardiac Fat Pad? | Sutter Health"
description: "I had a chest x-ray because of allergy symptoms. The doctor who read the x-ray said because of a cardiac fat pad in my right lobe, it was hard to tell if I had pneumonia. What is a fat pad, is this something that should concern me, and can I exercise?"
url: "/ask-an-expert/answers/what-is-a-cardiac-fat-pad-1051061459"
---

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2.  What is a Cardiac Fat Pad?

# What is a Cardiac Fat Pad?

* * *

Medically reviewed by

-   Junaid H. Khan, M.D., FACC, FACS

## Question

I had a chest x-ray because of allergy symptoms. The doctor who read the x-ray said because of a cardiac fat pad in my right lobe, it was hard to tell if I had pneumonia. What is a fat pad, is this something that should concern me, and can I exercise?

## Answer

A fat pad can be a normal occurrence on the sac (pericardium) that surrounds the heart. In certain cases in can obstruct the view of the right middle lobe. If there is enough clinical suspicion of a pneumonia (by symptoms or history), a CT scan can delineate the two easily.

The fat pad in itself should not be a limiting factor in exercise. As always, you should discuss any new significant change in exercise regimen with your primary care physician.

## Explore related topics

Heart health

## Meet our care team

Junaid H. Khan, M.D., FACC, FACS

Thoracic and Cardiac Surgery Cardiothoracic Surgery

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