Most specific test for renovascular hypertension: (PGI June 2008)
Correct Answer: Magnetic resonance angiography
Description: Ans.: B(Magnetic resonance angiography] Magnetic Resonance Angiography (MRA has now emerged as the most sensitive and specific screening test for Renovasular hypertension.Harrison 16th mentions Spiral CT scan as the most sensitive and specific screening test for Renovascular Hypertension, however most recent textbooks now prefer MRA as the screening test of choice with similar or even better sensitivity and specificity than spiral CT Angiography.Test for Renovascular HypertensionScreening TestTestSensitivity (%)Specificity (%)Magnetic resonance angiography (MRA)10096Spiral computerized tomography9894Captopril renogram70-9395Duplex Doppler ultrasonography69-9686-90IVP--75-85 Gold Standaird/ Diagnostic TestTestSensitivitySpecificityConventions Renal Angiography>99%>99%
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