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FC 23 Clinical Imaging


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X-ray, CT scan and PET scan
The types of clinical imaging where radiation is involved
MRI, ultrasound and endoscopy
The types of clinical imaging where radiation is not involved
Metal, bone, fluid, soft tissue and air
The order of radiographic densities, from high density to low density
Posterior-anterior
The view that chest X-rays are typically done
Barium
A typical example of a contrast medium used for x-raying the gastrointestinal tract
Radiation and not good for soft tissues
Disadvantages of CT scans
Quick and easy to access
Advantages of CT scans
Slow, noisy and has contraindications
Disadvantages of MRI scans
No radiation and excellent images
Advantages of MRI scans
Pleural effusion
A condition characterised by excess fluid in the pleural space
Cardiothoracic ratio
A ratio that allows standardisation of heart size based on the proportion of the chest wall the heart is occupying
<50%
A normal cardiothoracic ratio for an adult
<66%
A normal cardiothoracic ratio for a newborn
Dextrocardia
A condition where the heart is on the right hand side of the body
Dextrocardia with situs inversus
A condition where the heart is on the right hand side of the body and all other organs are similarly inverted
Pneumonia
A condition where an infection has spread within the lungs, causing deposits of pus
Pleural effusion
A condition where excess fluid is present in the pleural space
Tension pneumothorax
A type of pneumothorax where the contents of the mediastinum are displaced by a change in pressure
Simple pneumothorax
A type of pneumothorax which occurs for apparently no reason
Chest drain
A pneumothorax is treated by inserting a [_______]
Chest x-ray, angiography and echocardiography
The three clinical imaging techniques for viewing the heart