{"id":67230,"date":"2026-05-02T05:27:36","date_gmt":"2026-05-02T03:27:36","guid":{"rendered":"https:\/\/chestxray.co.za\/?post_type=product&#038;p=67230"},"modified":"2026-05-02T05:27:47","modified_gmt":"2026-05-02T03:27:47","slug":"vacutainer-tubes-blue-top-4-5ml","status":"publish","type":"product","link":"https:\/\/chestxray.co.za\/?product=vacutainer-tubes-blue-top-4-5ml","title":{"rendered":"Vacutainer Tubes Blue Top 4.5ml"},"content":{"rendered":"<p>Vacutainer Tubes Blue Top 4.5ml<\/p>\n<p>Vacutainer Tubes Sodium Citrate Blue Top 4.5ml<\/p>\n<p>Vacucare Sodium Citrate Blue Top Tube 4.5ml Pack\/100<\/p>\n<ul>\n<p>A Vacutainer tubes with a light blue top containing 4.5ml of sodium citrate is primarily used for coagulation studies (PT\/INR, aPTT) to assess blood clotting, find bleeding disorders, and monitor anticoagulant therapy, by preventing blood from clotting using sodium citrate to bind calcium.<br \/> These tubes must be filled to their exact vacuum volume (9:1 blood-to-anticoagulant ratio) for accurate results, often requiring a discard tube first if it\ufffd\ufffd\ufffds not the first tube drawn, notes from {10, 12} and {10, 12}. <\/p>\n<p>Key Uses<br \/> Vacucare Sodium Citrate Blue Top 4.5ml<br \/> Coagulation Tests: To measure Prothrombin Time (PT), Activated Partial Thromboplastin Time (aPTT), and International Normalized Ratio (INR).<br \/> Bleeding\/Clotting Disorders: Diagnosing issues like deep vein thrombosis (DVT) or pulmonary embolism (PE) with tests like D-dimer.<br \/> Surgery &amp; Therapy Monitoring: Screening patients before surgery or checking levels for those on blood thinners.<br \/> How it Works<br \/> Sodium Citrate: This anticoagulant works by binding to calcium ions in the blood, which are essential for the clotting cascade, thus stopping the blood from clotting.<br \/> Blood-to-Additive Ratio: A precise 9:1 ratio of blood to citrate is crucial; underfilling can cause falsely prolonged clotting times, hence the need to fill the tube completely or use a discard tube first. <\/p>\n<li>Vacucare Tubes Sodium Citrate Blue Top 4.5ml<\/li>\n<li>Vacucare Tubes Sodium Citrate Blue Top 4.5ml. Blood Collection Tubes<\/li>\n<\/ul>\n<p>Vacutainer Tubes Sodium Citrate Blue Top 4.5ml<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vacutainer Tubes Blue Top 4.5ml<\/p>\n<p>Vacutainer Tubes Sodium Citrate Blue Top 4.5ml<\/p>\n<p>Vacucare Sodium Citrate Blue Top Tube 4.5ml Pack\/100<\/p>\n<ul>\n<p>A Vacutainer tubes with a light blue top containing 4.5ml of sodium citrate is primarily used for coagulation studies (PT\/INR, aPTT) to assess blood clotting, find bleeding disorders, and monitor anticoagulant therapy, by preventing blood from clotting using sodium citrate to bind calcium.<br \/> These tubes must be filled to their exact vacuum volume (9:1 blood-to-anticoagulant ratio) for accurate results, often requiring a discard tube first if it\ufffd\ufffd\ufffds not the first tube drawn, notes from {10, 12} and {10, 12}. <\/p>\n<p>Key Uses<br \/> Vacucare Sodium Citrate Blue Top 4.5ml<br \/> Coagulation Tests: To measure Prothrombin Time (PT), Activated Partial Thromboplastin Time (aPTT), and International Normalized Ratio (INR).<br \/> Bleeding\/Clotting Disorders: Diagnosing issues like deep vein thrombosis (DVT) or pulmonary embolism (PE) with tests like D-dimer.<br \/> Surgery &amp; Therapy Monitoring: Screening patients before surgery or checking levels for those on blood thinners.<br \/> How it Works<br \/> Sodium Citrate: This anticoagulant works by binding to calcium ions in the blood, which are essential for the clotting cascade, thus stopping the blood from clotting.<br \/> Blood-to-Additive Ratio: A precise 9:1 ratio of blood to citrate is crucial; underfilling can cause falsely prolonged clotting times, hence the need to fill the tube completely or use a discard tube first. <\/p>\n<li>Vacucare Tubes Sodium Citrate Blue Top 4.5ml<\/li>\n<li>Vacucare Tubes Sodium Citrate Blue Top 4.5ml. Blood Collection Tubes<\/li>\n<\/ul>\n<p>Vacutainer Tubes Sodium Citrate Blue Top 4.5ml<\/p>\n","protected":false},"featured_media":0,"template":"","meta":[],"product_brand":[],"product_cat":[24841],"product_tag":[17849],"class_list":["post-67230","product","type-product","status-publish","product_cat-test-tubes-diagnostics-monitoring","product_tag-vacutainer-tubes-blue-top-4-5ml","first","instock","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/chestxray.co.za\/index.php?rest_route=\/wp\/v2\/product\/67230","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/chestxray.co.za\/index.php?rest_route=\/wp\/v2\/product"}],"about":[{"href":"https:\/\/chestxray.co.za\/index.php?rest_route=\/wp\/v2\/types\/product"}],"wp:attachment":[{"href":"https:\/\/chestxray.co.za\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=67230"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/chestxray.co.za\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_brand&post=67230"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/chestxray.co.za\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_cat&post=67230"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/chestxray.co.za\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_tag&post=67230"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}