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Line 1: [[File:Hypertensiveretinopathy.jpg\|240px\|thumb\| ~~caption =~~ Hypertensive retinopathy with AV nicking and mild vascular tortuosity]]▼ ~~{{Infobox diagnostic~~ ~~\| name = AV nicking~~ ~~\| image = File:Hypertensiveretinopathy.jpg\|~~ ~~\| alt =~~ ▲\| caption = Hypertensive retinopathy with AV nicking and mild vascular tortuosity ~~\| pronounce =~~ ~~\| synonyms =~~ ~~\| reference_range =~~ ~~\| calculator =~~ ~~\| DiseasesDB = <!--{{DiseasesDB2\|numeric_id}}-->~~ ~~\| ICD10 = <!--{{ICD10\|Group\|Major\|minor\|LinkGroup\|LinkMajor}} or {{ICD10PCS\|code\|char1/char2/char3/char4}}-->~~ ~~\| ICD9 =~~ ~~\| ICDO =~~ ~~\| MedlinePlus = <!--article_number-->~~ ~~\| eMedicine = <!--article_number-->~~ ~~\| MeshID =~~ ~~\| OPS301 = <!--{{OPS301\|code}}-->~~ ~~\| LOINC = <!--{{LOINC\|code}}-->~~ }} '''AV''', or '''arteriovenous nicking''' is the phenomenon where, on [[Fundoscopy\|examination of the eye]], a small artery ([[arteriole]]) is seen crossing a small vein ([[venule]]), which results in the compression of the vein with bulging on either side of the crossing. This is most commonly seen in eye disease caused by high blood pressure ([[hypertensive retinopathy]]).

Arteriovenous nicking: Difference between revisions