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rrt review
imaging studies
| Term | Definition |
|---|---|
| what would a normal chest x-ray show? | trachea is midline, bilateral radiolucency, with sharp costophrenic angles |
| what can cause a loss of airway patency? | foreign body obstruction, edema such as croup or epiglottitis or allergic reaction, tracheal spasms, internal or external compression or a trauma leading to air leak |
| where should the tip of the ETT be positioned on chest x ray | below the vocal cords and no closer than 2cm or 1 inch above the carina. which is also the same level of the aortic knob or aortic arch. (if above the clavicle it is to high.) |
| where should the pacemaker be positioned? | in right ventricle |
| where should the pulmonary artery catheter appear | in the right lower lung field |
| where should the central venous catheter be placed? | in the right or left subclavial or juhular vein and should rest in the vena cava or right atrium of the heart |
| where should a chest tube be located ? | in the pleural space surrounding the lung |
| where should the nasogastric tubes and feeding tubes be located? | in the stomach 2-5 cm below the diaphragm |
| croup or laryngotracheobronchitis will look like what on a x ray of the neck? | a steeple sign , picket fence or a pencil point |
| epiglottitis will show what on a lateral neck x ray? | supraglottic narrowing with enlarged and flattened epidlottis and swollen aryepiglottic folds. this is known as thumb sign |
| besides croup and epiglottitis what will cause airway narrowing | edema,secreations, tumors, aspiration of a foreign body |
| what is raidiolucent on a chest x ray? | Air it is a dark pattern which in normal in the lungs |
| what is radiodense/opacity on a chest x ray? | its solid or fluid it is a white pattern which is normal for bones and organs |
| what diagnosis would you have if your chest x ray had infiltrates? | atelectasis |
| what diagnosis would you have if your chest x ray had a consolidation? | pneumonia or pleural effusion |
| what diagnosis would you have if your chest x ray showed hyperlucency | COPD or asthma attack |
| what dose a increase in vascular markings mean? | CHF |
| if vascular markings are absent this would mean | pneumothorax |
| how would pulmonary edema show up on a chest x ray ? | fluffy infiltrates might have a butterfly/ batwing pattern |
| how would atelectasis show up on chest x ray? | pattchy or platelike infiltrates |
| how would ARDS or IRDS show up on chest x ray ? | ground glass appearance, honeycomb pattern, diffuse bilateral radiopacity |
| how would pleural effusion show up on chest x ray? | concave superior interface/border or basilar infiltrates with meniscus |
Created by:
michellegutierrez
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