The nurse is caring for a client who is taking metformin (Glucophage) for hyperglycemia prior to admission. The nurse would question the following order for this client:<\/p>\n\n\n\n
A.
CT scan with contrast<\/p>\n\n\n\n
B.
Chest X-ray 1 view<\/p>\n\n\n\n
C.
V\/Q scan<\/p>\n\n\n\n
D.
Bilateral lower extremity ultrasound<\/p>\n\n\n\n
The Correct Answer and Explanation is:<\/mark><\/strong><\/p>\n\n\n\n The correct answer is A. CT scan with contrast<\/strong>.<\/p>\n\n\n\n Explanation:<\/strong><\/p>\n\n\n\n Metformin is a widely used medication for managing type 2 diabetes mellitus by decreasing glucose production in the liver and improving insulin sensitivity. However, it carries specific considerations when it comes to certain diagnostic procedures.<\/p>\n\n\n\n 1. Risk of Lactic Acidosis:<\/strong><\/p>\n\n\n\n One significant concern with metformin is the risk of lactic acidosis, a rare but serious complication. Lactic acidosis is a buildup of lactic acid in the blood, which can be precipitated by certain conditions such as renal impairment or the use of contrast agents. Metformin itself is not a direct cause of lactic acidosis, but the condition can be exacerbated by factors that affect kidney function or contrast-induced nephropathy.<\/p>\n\n\n\n 2. Contrast Agents and Metformin:<\/strong><\/p>\n\n\n\n Contrast agents used in CT scans (often iodine-based) can affect renal function. If renal function is compromised, the contrast medium can further impair kidney function, which can then lead to an increased risk of lactic acidosis in patients on metformin. As a precautionary measure, it is typically recommended to temporarily discontinue metformin before and after undergoing a CT scan with contrast. This precaution helps to mitigate the risk of lactic acidosis and allows for safer monitoring of renal function.<\/p>\n\n\n\n 3. Other Diagnostic Procedures:<\/strong><\/p>\n\n\n\n In contrast, other diagnostic procedures such as a chest X-ray (B), a V\/Q scan (C), and a bilateral lower extremity ultrasound (D) do not involve the use of contrast agents and thus do not present the same risk to patients taking metformin. These procedures are generally safe for patients on metformin without additional precautions.<\/p>\n\n\n\n In summary:<\/strong> The order for a CT scan with contrast is the one that the nurse would question for a client on metformin. This is due to the risk of lactic<\/p>\n","protected":false},"excerpt":{"rendered":" The nurse is caring for a client who is taking metformin (Glucophage) for hyperglycemia prior to admission. The nurse would question the following order for this client: A.CT scan with contrast B.Chest X-ray 1 view C.V\/Q scan D.Bilateral lower extremity ultrasound The Correct Answer and Explanation is: The correct answer is A. CT scan with […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[25],"tags":[],"class_list":["post-137267","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/137267","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/comments?post=137267"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/137267\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=137267"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=137267"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=137267"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}