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  2. Renal ultrasonography - Wikipedia

    en.wikipedia.org/wiki/Renal_ultrasonography

    Applying spectral Doppler to the renal artery and selected interlobular arteries, peak systolic velocities, resistive index, and acceleration curves can be estimated (Figure 4) (e.g., peak systolic velocity of the renal artery above 180 cm/s is a predictor of renal artery stenosis of more than 60%, and a resistive index, which is a calculated ...

  3. Renal artery - Wikipedia

    en.wikipedia.org/wiki/Renal_artery

    For example, the diameter was found to be 5.04 ± 0.74 mm using ultrasound but 5.68 ± 1.19 mm using angiography. [4] [5] Due to the anatomical position of the aorta, the inferior vena cava, and the kidneys, the right renal artery is normally longer than the left renal artery. [1] [6]

  4. Arterial resistivity index - Wikipedia

    en.wikipedia.org/wiki/Arterial_resistivity_index

    It is used in ultrasound testing of umbilical artery for placental insufficiency. RI should not exceed 0.60 at 30 weeks of gestation. [5] It is also used to assess the kidneys for medical renal disease, as can occur with diabetes or kidney transplants damaged by rejection. [6]

  5. Renal artery stenosis - Wikipedia

    en.wikipedia.org/wiki/Renal_artery_stenosis

    Renal artery stenosis (RAS) is the narrowing of one or both of the renal arteries, most often caused by atherosclerosis or fibromuscular dysplasia. This narrowing of the renal artery can impede blood flow to the target kidney , resulting in renovascular hypertension – a secondary type of high blood pressure .

  6. Radioisotope renography - Wikipedia

    en.wikipedia.org/wiki/Radioisotope_renography

    Radioisotopes can differentiate between passive dilatation and obstruction. It is widely used before kidney transplantation to assess the vascularity of the kidney to be transplanted and with a test dose of captopril to highlight possible renal artery stenosis in the donor's other kidney, [12] and later the performance of the transplant.

  7. Renal sympathetic denervation - Wikipedia

    en.wikipedia.org/wiki/Renal_Sympathetic_Denervation

    The procedure involves endovascular access via the femoral artery with advancement of a catheter-mounted device into the renal artery. The device uses radiofrequency or ultrasound to ablate the renal nerves. Typically, numerous ablations are applied at a different longitudinal and rotational positions to ensure maximal denervation. [13]

  8. “The Council Requires Snackies”: 50 Hilarious Pics Of Cats ...

    www.aol.com/99-adorable-photos-councils-cats...

    Image credits: Greg-BradyisGod We also wanted to know how exactly DryMouthKitty defines a council of cats. "Any group of cats (more than one)," they shared. "As a big fan of Pinky and The Brain ...

  9. Renal infarction - Wikipedia

    en.wikipedia.org/wiki/Renal_infarction

    Renal infarction is a medical condition caused by an abrupt disruption of the renal blood flow in either one of the segmental branches or the major ipsilateral renal artery. [3] Patients who have experienced an acute renal infarction usually report sudden onset flank pain , which is often accompanied by fever , nausea , and vomiting .