A. Number of injected particles is too small to cause harm .
It is safe to block a portion of the pulmonary circulation with MAA particles in patients with suspected pulmonary emboli because the number of injected particles blocks only a small number of precapillary arterioles.
Macroaggregated Albumin (MAA) is a lung imaging agent which may be used as an accessory in the calculation of pulmonary perfusion in adults and pediatric patients.
Treatment goals for pulmonary embolism are to improve oxygenation and cardiac output. Administer supplemental oxygen via nasal cannula or non-rebreather mask to maintain SPO2 above 94 percent. risk factors for a pulmonary embolism includes Genetic conditions that increase the risk of blood clot formation. Family history of blood clotting disorders.
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question -It is safe to block a portion of the pulmonary circulation with MAA particles in patients with suspected PE because: A) Number of injected particles is too small to cause harm B) particles are made from albumin isolated from human serum C)Particles are rapidly phagocytized by lung macrophages D)Number of injected particles blocks only a small number of precapillary arterioles E)Albumin is denatured before it is made into particles