NMTCB CT Board Exam Latest Update Graded A

NMTCB CT Board Exam Latest Update Graded A CBF cerebral blood flow 50-60 mL / 100 g / min CBV cerebral blood volume 4-5 mL / 100 g platelet count 140k-440k per uL of blood INR International Normalized Ratio 0.8-1.2 PTT partial thromboplastin time 25-35 seconds BUN 7-25 mg / dL creatinine 0.5-1.5 mg / dL GFR (men) 70 +/- 14 GFR (women) 60 +/- 10 PT prothrombin time 12-15 seconds max IV contrast for a child shouldn't exceed 3 mL / kg of body weight excretion half-life of IV contrast 1-2 hours barium sulfate concentration 1-3% water-soluble oral contrast for abdomen/pelvis should contain ________% iodine 2-5 high-osmolar contrast = _________ mOsm / kg of water risk factors for contrast-induced nephrotoxicity (CIN) diabetes myoloma cardiac disease advanced age hepatic contrast enhancement phases arterial phase portal/hepatic venous phase equilibrium phase delayed phase arterial phase of hepatic contrast enhancement 25-35 seconds hypervascular tumors portal/hepatic venous phase of hepatic contrast enhancement 60-70 seconds hypovascular lesions & masses equilibrium