In order to improve contract during X-ray diagnostics of soft tissues, contrast agents are used. For example, the stomach and intestines are filled with barium sulphate ВаSO4. Compare mass attenuation coefficients for soft tissues and for barium sulphate.
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In order to improve contract during X-ray diagnostics of soft tissues, contrast agents are used. For example, the stomach and intestines are filled with barium sulphate ВаSO4. Compare mass attenuation coefficients for soft tissues and for barium sulphate.
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- A prescription order calls for 1.25 g of vancomycin in 500 mL of NS (0.9%/100mL). After reconstitution vancomycin injection is available in a strength of 50 mg/mL. How many mL of vancomycin injection should be drawn up to prepare this prescription?Calculate the CT numbers (HU) for the following tissues at given X-ray beam energies. Indicate whether the beam energy is suitable or not suitable for imaging of that specific tissue type. In the table below, the attenuation coefficients μ (m-1) are listed for each tissue for each of the beam energies. Beam Energy/Tissue 50keV 60kev 150kev Fat 20.17 18.75 14.25 Muscle 23.75 21.50 15.67 Compact Bone 81.45 60.44 28.42 Water (liquid) 22.69 20.60 15.05When can the H-H equation be used clinically/
- The recommended pediatric dose of leuprolide acetate suspension for intramuscular injection is 7.5 mg, once per month, for a child weighing 25 kg. What is the equivalent dose, based on mg/m2, for this child measuring 36 inches in height? Use the BSA equation as needed.KCI for injection contains 40 mEq in 20 mL. An order requires 15 mEq, how many mL are needed?Given that the normal range for serum protein is about 7 g/100ml and albumin is about 4 g/100ml, what clinical conclusions can you draw from the following samples A-C? If samples are not normal, what protein fraction is increased/decreased and with what disease is this protein pattern likely to be associated? Sample A: total protein = 14 g/100mlalbumin= 8 g/100 ml Sample B:total protein = 5.8 g/100ml albumin = 4 g/100 ml Sample C:total protein = 3.5 g/100mlalbumin = 2g/100 ml
- What is the dose in mSv for: (a) a 0.1 Gy x-ray?Determine the maintenance dose (in mg) of tobramycin for a 65 year old male patient weighing 85 kg and measuring 5 ft 7, in. in height with a serum creatinine of 2.8 mg/dL. The loading dose desired is 1 mg/kg of ideal body weight and 1.8 mg/kg of ideal body weight for the maintenance dose. Report your answer as a whole number.Elevated blood plasma levels of alkaline phosphatase (hyperphosphatasaemia) are an indication of a number of pathologies. Briefly comment on the use of alkaline phosphatase assays as a diagnostic aid for a single common medical condition. (word limit 120 words including citations and references.
- Name the other methods of ESR determination with their corresponding anticoagulants and normal values. (Except the Westergren method and Wintrobe method)The erythrocyte sedimentation rate (heaviness) test of a blood sample is often used as a diagnosis of immune disorders and some other diseases. Assuming that the red blood cells are about a sphere with a diameter of (approximately 5 um) and a density (g/ml 1.125), and the density and viscosity of the plasma in which the red blood cells are settled (Pa.s), (1025 kg/m3 10-3 x 1.5) On arrangement and acceleration m/s2 9.81 Calculate the erythrocyte sedimentation rate (settlement rate).The order is to give 45 mEq. The dosage available is 30 mEq in 15 mL. How many mL do you give?