How to prepare for your upcoming test

Lighthouse Medical Imaging is dedicated to making the medical diagnostic imaging process as easy and efficient as possible, but there are some things you’ll need to do to ensure your appointment runs smoothly.

Different tests require different preparations to ensure the most accurate results. Select from the list below to find out what you need to know before you take your test.

Lighthouse Medical Imaging is a reduced fragrance environment. Please refrain from using fragrances or heavily scented products.

Select your test from the list below for more detailed information on your test and how to prepare:

Bone Density (BMD)

A bone density scan is a non-invasive and pain-free test that measures the density of your bones in order to determine your likelihood of developing osteoporosis or sustaining an osteoporosis-related fracture.


Echocardiography (echo) is an ultrasound of your heart. The walls and valves of the heart as well as the blood flow through the heart are examined.

Liver Elastography (Finch site only)

Liver elastography measures the stiffness of your liver, which is an indication of fibrosis. This exam is commonly ordered for patients with Hepatitis B, Hepatitis C, fatty liver, and other liver conditions. It can also be used to monitor your liver’s health if you are on medications that can damage the liver. Please prepare as follows: Avoid excess fats the night prior to the exam and solid foods 8 hours before the exam. Small quantities of clear fluids are permitted. Any medication should be taken as required.


Mammography is a type of X-ray imaging that plays an essential role in the early detection and screening of breast cancer. 

Lighthouse Medical Imaging is affiliated with the Ontario Breast Screening Program (OBSP), providing screening mammograms by fully accredited technicians.


An ultrasound is a test that involves high frequency sound waves to produce real-time images.  Lighthouse Medical Imaging offers the following ultrasound tests:

Vascular Ultrasound

Vascular ultrasound is a non-invasive ultrasound method (also called a duplex study) used to examine the blood circulation in the neck, arms and legs. Non-invasive means the procedure does not require the use of needles, dyes, radiation or anesthesia.


X-rays are a common type of imaging scan used to view the bony structures and lungs within the body.