{"id":190862,"date":"2025-02-13T09:51:10","date_gmt":"2025-02-13T09:51:10","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=190862"},"modified":"2025-02-13T09:51:13","modified_gmt":"2025-02-13T09:51:13","slug":"dopamine-200-mg-in-250-d5w-at-12-ml-hr","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/02\/13\/dopamine-200-mg-in-250-d5w-at-12-ml-hr\/","title":{"rendered":"Dopamine 200 mg in 250 D5W at 12 mL\/hr"},"content":{"rendered":"\n<p>Dopamine 200 mg in 250 D5W at 12 mL\/hr. The patient weighs 133 pounds. What is the mcg\/kg\/min that the patient is receiving?\u2028<\/p>\n\n\n\n<p>a. 1.2 mcg\/kg\/min \u2028b. 2.1 mcg\/kg\/min\u2028 c. 3.6 mcg\/kg\/min \u2028d. 2.7 mcg\/kg\/min\u2028 Answer: <strong>_<\/strong>\u2028<\/p>\n\n\n\n<p><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-6-color\"><strong>The Correct Answer and Explanation is :<\/strong><\/mark><\/p>\n\n\n\n<p>To determine the mcg\/kg\/min dosage of dopamine the patient is receiving, follow these steps:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Given Data:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Dopamine concentration<\/strong>: 200 mg in 250 mL D5W<\/li>\n\n\n\n<li><strong>Infusion rate<\/strong>: 12 mL\/hr<\/li>\n\n\n\n<li><strong>Patient weight<\/strong>: 133 lbs<\/li>\n\n\n\n<li><strong>1 kg = 2.2 lbs<\/strong>, so <strong>133 lbs \u00f7 2.2 = 60.45 kg<\/strong><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Step 1: Convert Drug Concentration to mcg\/mL<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>200 mg = <strong>200,000 mcg<\/strong> (since 1 mg = 1,000 mcg)<\/li>\n\n\n\n<li>200,000 mcg is in <strong>250 mL<\/strong>, so: [<br>\\frac{200,000 \\text{ mcg}}{250 \\text{ mL}} = 800 \\text{ mcg\/mL}<br>]<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Step 2: Determine Drug Dosage in mcg\/hr<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Infusion rate = <strong>12 mL\/hr<\/strong>, so: [<br>12 \\text{ mL\/hr} \\times 800 \\text{ mcg\/mL} = 9,600 \\text{ mcg\/hr}<br>]<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Step 3: Convert to mcg\/kg\/min<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Convert mcg\/hr to mcg\/min: [<br>\\frac{9,600 \\text{ mcg}}{60 \\text{ min}} = 160 \\text{ mcg\/min}<br>]<\/li>\n\n\n\n<li>Divide by patient\u2019s weight (60.45 kg): [<br>\\frac{160 \\text{ mcg\/min}}{60.45 \\text{ kg}} = 2.65 \\approx 2.7 \\text{ mcg\/kg\/min}<br>]<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Answer:<\/h3>\n\n\n\n<p>The correct answer is <strong>d. 2.7 mcg\/kg\/min<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Explanation:<\/h3>\n\n\n\n<p>Dopamine is commonly administered via continuous IV infusion to support blood pressure and cardiac output in critically ill patients. The calculation follows a structured approach:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Convert the drug concentration into mcg\/mL.<\/li>\n\n\n\n<li>Multiply by the infusion rate to determine the mcg\/hr dose.<\/li>\n\n\n\n<li>Convert to mcg\/min and then normalize per kg of body weight.<\/li>\n\n\n\n<li>Round to match the provided answer choices.<\/li>\n<\/ol>\n\n\n\n<p>Ensuring accurate calculations is essential, as dopamine dosing affects heart rate and vascular resistance. Errors can lead to either inadequate perfusion or excessive vasoconstriction.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dopamine 200 mg in 250 D5W at 12 mL\/hr. The patient weighs 133 pounds. What is the mcg\/kg\/min that the patient is receiving?\u2028 a. 1.2 mcg\/kg\/min \u2028b. 2.1 mcg\/kg\/min\u2028 c. 3.6 mcg\/kg\/min \u2028d. 2.7 mcg\/kg\/min\u2028 Answer: _\u2028 The Correct Answer and Explanation is : To determine the mcg\/kg\/min dosage of dopamine the patient is receiving, [&hellip;]<\/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-190862","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/190862","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=190862"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/190862\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=190862"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=190862"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=190862"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}