Chest X-Ray lateral view, Preparation, Procedure, and the Requirements

26 Oct 2022

Chest X-Ray lateral view, Preparation, Procedure, and the Requirements

A chest Lateral X-ray is a radiograph of the thoracic cavity that is used to examine the lungs, chest cavity, and its divisions such as the mediastinum cavity, the great heart’s vessels, and the surrounding muscles.


The physician will recommend that you undergo this examination to identify any potential birth defects affecting the chest wall structures or the internal organs located in this region, as well as any injuries or fractures affecting the bones located on the chest wall.

* Heart disease

* Pulmonary embolism

* Pneumothorax

* Metastasis

* Trauma

* Rib fractures

* Fluid in your lungs (anterior and posterior aspect of diaphragm angle)

The doctor may also order Xray for various factors that can affect the health such as

Size of your heart and vessels

* Calcium present in your vessels

* Recovery post-surgery

* Presence of foreign inhaled bodies

Patient preparation

* No preparation is needed. You should wear loose-fitting clothing.

* Notify the x-ray technician in the case of a pregnancy.

Patient positioning

* For the lateral chest radiograph, requires the left side to be positioned against the image receptor, thereby minimizing cardiac magnification.

* The patients will be asked to raise the arm and cross them above the head, extend the chin, and keep the thorax without rotation or tilt.

* The patient will be instructed to extend the arms over the head to prevent overlapping the sternum.

* The patient will be instructed to breathe out and hold while the exposure is taken.

* The correct anatomical and positional markers are essential to be included in the image.

Technical factor

* Left lateral projection

* Suspended inspiration 


* On an average adult, The T7 level is 3-4 inches (8-10 cm) below the jugular notch.

* For patients with an athletic physique, the T7 level is as much as 5 inches below the jugular notch.

* The chest landmark corresponds to the scapula’s inferior angle.

* The position of CR should be perpendicular and midline to the film cassette.

Imaging technique

* Film size:

The size of the film is 14 x 17 inches (30 x 40 cm) crosswise or lengthwise, depending on the patient’s physique

* Orientation:

Landscape or portrait

* Exposure

1. 100-110 kVp

2. 4-12 mAs


150 cm

* Grid



X-ray is one of the most commonly used imaging procedures for diagnosing various health conditions. If the doctor has advised you Chest X-Ray lateral view, Then for a satisfactory and accurate diagnosis you need not look further than Ganesh Diagnostic and Imaging Centre(GDIC).

Featuring advanced and state-of-the-art technology, Our diagnostic centres in Delhi NCR at Rohini, Derawal Nagar, Hari Nagar, Yamuna Vihar, Nangloi, and their nearby areas provide 100% accurate x-rays test results in a quick and customer-friendly manner.

If you need Chest X-Ray to diagnose the issues and injury, schedule your appointment with GDIC.