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EM Quick Hits 28 Cardiogenic Shock, Radiation Dose in Pregnancy, PoCUS in Airway Management, VIPIT, Angiotensin II, Short-Term Steroid Safety
Emergency Medicine Cases
The Differences Between a CT and a VQ Scan
The main disadvantage of CT is a much higher maternal breast radiation dose, 30 to 630 times more than a VQ scan. Even a CT abdomen can result in as little as 1.4 milligrails fetal exposure. Unity Health in Toronto has developed a two-page plain language handout which outlines fetal radiation exposure of various studies.
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