On the lat view, the posterior tracheal wall if seen should measure no more Paratracheal Stripe (normal is <5mm, usually 2-3mm), which terminatesĪt the azygous vein (this portion should be 1.0cm or less). Look for any chamber enlargement.Įvaluate course of Aorta and position of arch, Pulmonary Retrocardiac, cardiophrenic and costophrenic angles.Įvaluate Size, shape, position in both views PA/LAT. The "Special Interest" and often missed areas twice: You localize lesions suspected on the frontal view. Posterior costophrenic recess, anterior/posterior mediastinum, and help Size, location and distribution (the left pulmonary artery usually isįorget to check the lateral as this is the best way to look at the The RUL Bronchus is always higher than the LUL bronchus. The lungs (Interstitium, airways and Pleura): Diaphragm (the right diaphragm usually is 2-3 cm higher than the left).Evaluate soft tissues systematically: Don't forget:.Lines & tubes (position, course, complications).Normal Lateral Chest X-ray HOW TO READ THE CHEST X-RAY On the lateral view, the patients left side is against the film, therefore the right side would be magnified. By convention on the PA View, the x-rays enter the patient posteriorly and exit anteriorly (with the patients chest on the film cassette), therefore minimizing the cardiac magnification. Normally a PA and Lateral View are obtained. Normal Posterior to Anterior (PA) Chest X-ray. A systematic approach is usually the best. ![]() There are many ways to evaluate the chest. The Chest X-ray is probably one of the most commonly seen plain films, and is one of the most difficult to master. << back to X-ray Atlas X-ray Atlas: Chest X-ray
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