What is the initial dose of epinephrine in pediatric advanced life support (PALS) for a child in cardiac arrest?<\/p>\n\n\n\n
A.
0.01 mg\/kg<\/p>\n\n\n\n
B.
0.1 mg\/kg<\/p>\n\n\n\n
C.
0.5 mg\/kg<\/p>\n\n\n\n
D.
1 mg\/kg<\/p>\n\n\n\n
The correct answer and Explanation is :<\/strong><\/mark><\/p>\n\n\n\n The correct answer is A. 0.01 mg\/kg<\/strong>.<\/p>\n\n\n\n In Pediatric Advanced Life Support (PALS), the recommended initial dose of epinephrine for a child in cardiac arrest is 0.01 mg\/kg, which is equivalent to 0.1 mL\/kg of a 1:10,000 (0.1 mg\/mL) solution. This dosing is crucial in resuscitation efforts because epinephrine is a potent vasopressor that can improve blood flow to the heart and brain during cardiopulmonary resuscitation (CPR).<\/p>\n\n\n\n Epinephrine works by stimulating alpha and beta-adrenergic receptors. The alpha-1 adrenergic stimulation leads to vasoconstriction, which increases systemic vascular resistance and subsequently elevates blood pressure, crucial during cardiac arrest. Meanwhile, beta-1 adrenergic stimulation enhances myocardial contractility and heart rate, while beta-2 stimulation may aid in bronchodilation, which is particularly beneficial in cases of anaphylaxis or asthma exacerbation.<\/p>\n\n\n\n In pediatric patients, weight-based dosing is critical due to the variations in body size and composition. The PALS guidelines emphasize the importance of precise dosing to avoid under-treatment or potential toxicity. The maximum single dose should not exceed 1 mg (or 10 mL of a 1:10,000 solution) regardless of the child’s weight, ensuring that even larger children receive a dose that is still within safe limits.<\/p>\n\n\n\n The administration of epinephrine is typically followed by additional rounds of CPR and defibrillation if indicated, as per PALS protocols. After the initial dose, epinephrine can be administered every 3-5 minutes during ongoing resuscitation efforts. Overall, timely administration of epinephrine is vital for improving survival rates and outcomes in pediatric cardiac arrest scenarios.<\/p>\n","protected":false},"excerpt":{"rendered":" What is the initial dose of epinephrine in pediatric advanced life support (PALS) for a child in cardiac arrest? A.0.01 mg\/kg B.0.1 mg\/kg C.0.5 mg\/kg D.1 mg\/kg The correct answer and Explanation is : The correct answer is A. 0.01 mg\/kg. In Pediatric Advanced Life Support (PALS), the recommended initial dose of epinephrine for a […]<\/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-141202","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/141202","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=141202"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/141202\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=141202"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=141202"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=141202"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}