{"id":184162,"date":"2025-01-19T11:14:55","date_gmt":"2025-01-19T11:14:55","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=184162"},"modified":"2025-01-19T11:14:59","modified_gmt":"2025-01-19T11:14:59","slug":"a-patient-is-receiving-morphine-sulfate-intravenously-via-a-patient-controlled-analgesia-pca-pump","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/01\/19\/a-patient-is-receiving-morphine-sulfate-intravenously-via-a-patient-controlled-analgesia-pca-pump\/","title":{"rendered":"A patient is receiving morphine sulfate intravenously via a patient controlled analgesia (PCA) pump"},"content":{"rendered":"\n<p>A patient is receiving morphine sulfate intravenously via a patient controlled analgesia (PCA) pump. The concentration of the solution is 15 mg\/mL and is being infused at a rate of 0.1 mL\/h. The patient may access a 2-mg bolus dose every hour for breakthrough pain and is currently using an average of 8 doses per day. The patient&#8217;s caregiver requests that the patient be converted to oxycodone oral tablets given every 4 hours. Calculate the appropriate dose of oral oxycodone using the dosing tablets used in class. Round to the tenths place and use the appropriate units. None QUESTION 10 A patient is receiving morphine sulfate intravenously via a patient controlled analgesia (PCA) pump. The concentration of the solution is 15 mg\/mL and is being infused at a rate of 0.1 mL\/h. The patient may access a 2-mg bolus dose every hour for breakthrough pain and is currently using an average of 8 doses per day. The patient&#8217;s caregiver requests that the patient be converted to oxycodone oral tablets given every 4 hours. Calculate the appropriate dose of oral oxycodone using the dosing tablets used in class. Round to the tenths place and use the appropriate units.<\/p>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-6-color\">The correct answer and explanation is:<\/mark><\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Answer<\/strong><\/h3>\n\n\n\n<p>The appropriate dose of oral oxycodone to administer every 4 hours is <strong>10 mg<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Calculation and Explanation<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">1. <strong>Determine total daily morphine dose (IV):<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Continuous infusion dose:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Morphine concentration: 15 mg\/mL.<\/li>\n\n\n\n<li>Infusion rate: 0.1 mL\/h.<\/li>\n\n\n\n<li>Morphine infused per hour: 15\u2009mg\/mL\u00d70.1\u2009mL\/h=1.5\u2009mg\/h15 \\, \\text{mg\/mL} \\times 0.1 \\, \\text{mL\/h} = 1.5 \\, \\text{mg\/h}.<\/li>\n\n\n\n<li>Total infusion dose in 24 hours: 1.5\u2009mg\/h\u00d724\u2009h=36\u2009mg\/day.1.5 \\, \\text{mg\/h} \\times 24 \\, \\text{h} = 36 \\, \\text{mg\/day}.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Bolus dose:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Dose per bolus: 2 mg.<\/li>\n\n\n\n<li>Average boluses per day: 8 doses.<\/li>\n\n\n\n<li>Total bolus dose in 24 hours: 2\u2009mg\/bolus\u00d78\u2009boluses=16\u2009mg\/day.2 \\, \\text{mg\/bolus} \\times 8 \\, \\text{boluses} = 16 \\, \\text{mg\/day}.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Total daily IV morphine dose:<\/strong>\n<ul class=\"wp-block-list\">\n<li>36\u2009mg\/day\u00a0(infusion)+16\u2009mg\/day\u00a0(bolus)=52\u2009mg\/day.36 \\, \\text{mg\/day (infusion)} + 16 \\, \\text{mg\/day (bolus)} = 52 \\, \\text{mg\/day}.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">2. <strong>Convert IV morphine to oral morphine:<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Conversion factor for IV to oral morphine: 1:31:3.<\/li>\n\n\n\n<li>Oral morphine dose: 52\u2009mg\/day\u00d73=156\u2009mg\/day.52 \\, \\text{mg\/day} \\times 3 = 156 \\, \\text{mg\/day}.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">3. <strong>Convert oral morphine to oral oxycodone:<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Conversion factor for oral morphine to oral oxycodone: 1:1.51:1.5.<\/li>\n\n\n\n<li>Oral oxycodone dose: 156\u2009mg\/day\u00f71.5=104\u2009mg\/day.156 \\, \\text{mg\/day} \\div 1.5 = 104 \\, \\text{mg\/day}.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">4. <strong>Determine oxycodone dose every 4 hours:<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Dosing frequency: every 4 hours (66 doses\/day).<\/li>\n\n\n\n<li>Dose per administration: 104\u2009mg\/day\u00f76=17.3\u2009mg104 \\, \\text{mg\/day} \\div 6 = 17.3 \\, \\text{mg}.<\/li>\n\n\n\n<li>Round to the nearest dose appropriate for tablets (e.g., 10 mg or 15 mg tablets are standard). The closest dose is <strong>10 mg<\/strong> every 4 hours.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">5. <strong>Rationale for the calculation:<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Accurate conversion ensures effective pain control without over-sedation.<\/li>\n\n\n\n<li>Conversion factors account for differing bioavailability and potency between morphine (IV and oral) and oxycodone.<\/li>\n\n\n\n<li>Oxycodone\u2019s frequent dosing interval helps manage continuous and breakthrough pain.<\/li>\n<\/ul>\n\n\n\n<p>Always verify with prescribing guidelines or adjust for individual patient needs as required.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A patient is receiving morphine sulfate intravenously via a patient controlled analgesia (PCA) pump. The concentration of the solution is 15 mg\/mL and is being infused at a rate of 0.1 mL\/h. The patient may access a 2-mg bolus dose every hour for breakthrough pain and is currently using an average of 8 doses per [&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-184162","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/184162","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=184162"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/184162\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=184162"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=184162"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=184162"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}