[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"doc-seo-462502-105":3,"detail-sidebar-cat-0-en-105":81,"doc-detail-462502-en":130},{"code":4,"msg":5,"data":6},0,"ok",{"site_id":7,"language":8,"slug":9,"title":10,"keywords":11,"description":12,"schema_data":13,"social_meta":74,"head_meta":76,"extra_data":78,"updated_unix":80},105,"en","blood-collection-phlebotomy-procedures-and-key-steps","Blood Collection (Phlebotomy) - Procedures and Key Steps","","Blood collection (phlebotomy) outlines how blood is obtained for laboratory analysis using several techniques. It describes four popular methods: capillary sampling, venipuncture, heelstick for infants, and arterial sampling. For each method, the notes provide practical preparation, equipment, patient positioning, and step-by-step collection actions. Critical safety points include correct disinfection, minimizing dilution, limiting tourniquet time, avoiding air injection, controlling bleeding, and proper specimen handling and disposal. Arterial blood gas indications and measurements are also summarized.",{"@graph":14,"@context":73},[15,34,56],{"@type":16,"itemListElement":17},"BreadcrumbList",[18,23,27,31],{"item":19,"name":20,"@type":21,"position":22},"https://docshare.wps.com","Home","ListItem",1,{"item":24,"name":25,"@type":21,"position":26},"https://docshare.wps.com/document/","Document",2,{"item":28,"name":29,"@type":21,"position":30},"https://docshare.wps.com/document/healthcare/","Healthcare",3,{"item":32,"name":10,"@type":21,"position":33},"https://docshare.wps.com/document/blood-collection-phlebotomy-procedures-and-key-steps/462502/",4,{"url":32,"name":10,"@type":35,"image":36,"author":41,"headline":10,"publisher":44,"fileFormat":47,"inLanguage":8,"description":12,"dateModified":48,"datePublished":49,"encodingFormat":47,"isAccessibleForFree":50,"interactionStatistic":51},"DigitalDocument",{"url":37,"@type":38,"width":39,"height":40},"https://docshare.wps.com/thumbnails/blood-collection-phlebotomy-procedures-and-key-steps/462502.png","ImageObject",300,407,{"name":42,"@type":43},"A glass of water","Person",{"url":19,"name":45,"@type":46},"DocShare","Organization","application/pdf","2026-11-08","2026-09-30",true,{"@type":52,"interactionType":53,"userInteractionCount":55},"InteractionCounter",{"@type":54},"ViewAction",6,{"@type":57,"mainEntity":58},"FAQPage",[59,65,69],{"name":60,"@type":61,"acceptedAnswer":62},"What are the four popular methods of blood collection mentioned?","Question",{"text":63,"@type":64},"The document lists capillary sampling, venipuncture sampling, heelstick procedure for infants, and arterial sampling.","Answer",{"name":66,"@type":61,"acceptedAnswer":67},"What is the key preparation and positioning guidance for venipuncture sampling?",{"text":68,"@type":64},"It advises reading the patient request, preparing equipment and appropriate tubes, seating the patient 15 to 20 minutes before drawing, avoiding certain arm conditions, and applying a tourniquet to distend the vein without leaving it on for more than 2 minutes.",{"name":70,"@type":61,"acceptedAnswer":71},"Why is arterial blood collected, and what does an arterial blood gas test measure?",{"text":72,"@type":64},"It is used to measure oxygen and carbon dioxide levels and to check acid-base (pH) balance, including in emergency situations. The test measures oxygen content, hemoglobin, oxygen saturation, and partial pressure of oxygen.","https://schema.org",{"og:url":32,"og:type":75,"og:title":10,"og:site_name":45,"og:description":12},"article",{"robots":77,"canonical":32},"index,follow",{"doc_id":79,"site_id":7},462502,1790764251,{"code":4,"msg":82,"data":83},"success",[84,88,92,96,101,105,109,114,119,122,126],{"id":22,"doc_module":4,"doc_module_name":25,"category_name":85,"show_sort_weight":86,"slug":87},"Story & Novel",90,"story-novel",{"id":26,"doc_module":4,"doc_module_name":25,"category_name":89,"show_sort_weight":90,"slug":91},"Literature",80,"literature",{"id":33,"doc_module":4,"doc_module_name":25,"category_name":93,"show_sort_weight":94,"slug":95},"Exam",70,"exam",{"id":97,"doc_module":4,"doc_module_name":25,"category_name":98,"show_sort_weight":99,"slug":100},5,"Comic",60,"comic",{"id":55,"doc_module":4,"doc_module_name":25,"category_name":102,"show_sort_weight":103,"slug":104},"Technology",50,"technology",{"id":106,"doc_module":4,"doc_module_name":25,"category_name":29,"show_sort_weight":107,"slug":108},7,40,"healthcare",{"id":110,"doc_module":4,"doc_module_name":25,"category_name":111,"show_sort_weight":112,"slug":113},8,"Research & Report",30,"research-report",{"id":115,"doc_module":4,"doc_module_name":25,"category_name":116,"show_sort_weight":117,"slug":118},9,"Religion & Spirituality",20,"religion-spirituality",{"id":117,"doc_module":4,"doc_module_name":25,"category_name":120,"show_sort_weight":117,"slug":121},"World Cup","world-cup",{"id":123,"doc_module":4,"doc_module_name":25,"category_name":124,"show_sort_weight":123,"slug":125},10,"Lifestyle","lifestyle",{"id":127,"doc_module":4,"doc_module_name":25,"category_name":128,"show_sort_weight":97,"slug":129},19,"General","general",{"code":4,"msg":82,"data":131},{"doc_id":79,"user_id":132,"nickname":42,"user_avatar":133,"doc_module":4,"category_id":106,"category_name":29,"doc_title":10,"doc_description":12,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":55,"is_deleted":4,"is_public":22,"is_downloadable":22,"audit_status":22,"page_count":106,"language":139,"language_code":8,"site_id":7,"html_lang":8,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":12,"update_tm":80,"read_time":143,"preview_page_count":4},962090760832,"https://ap-avatar.wpscdn.com/davatar_155a257f0dc6eb9ab79c44ca47cae57d","Blood collection (Phlebotomy)  \nIt is usually involve taking of blood from body and it comes in many different forms. Phlebotomy is a common term in blood sampling for laboratory analysis.  \nfour popular methods of blood collection are: 1-Capillary Sampling 2-Venipuncture Sampling 3- Heelstick Procedure (infants) 4-Arterial Sampling.  \n1-Capillary or peripheral blood:  \nThis method used to draw a small amount of blood in special micro tubes usually from the end of a finger (capillary tubes), only a few test can be performed.  \nMaterial: 1. Lancet 2. Capillary tubes 3. Alcohol (ethanol 70%) 4. Cotton Procedure:  \n1. Sterilize the area by alcohol and allow to dry.  \n2. Deep quick stab the area by disposable blood lancet, the puncture should be about 3 mm  \n3. Wipe off the first drop of Blood and a little pressure is applied  \n4. Never press out Blood  \n5. Take the Blood  \n6. Apply slight pressure over the area (Do not use excessive pressure because the blood may become diluted with tissue fluid).  \nSites for capillary puncture: -  \n1.Finger pulp 2. Heel pulp or great toe (in infant) 3. Ear lobe  \n2-Venipuncture blood sampling:  \nA venous sample of blood must be obtained when you need a large volume of blood for laboratory analysis.  \nPreparation for blood collection:  \n1. Read the request of the patient. 2. prepare equipment for blood sampling (Tourniquet, Alcohol, Cotton, Adhesive strip, Sterile Disposable syringes) 3. Prepare the suitable tubes for each test.  \nPositioning the patient and choosing the vein:  \n1-The patient should sit comfortable in a chair or sit up in bed.  \n2-In order to avoid problems with hemconcentration and hemodilution, the patient should be seated for 15 to 20 minutes before the blood is drawn.  \n3- Avoid arm with burn area, hematoma, scaring, recently injected or withdrawn syringe (tissue fluid accumulation alters test results) .  \n4-Apply tourniquet to distend the vein (tourniquet obstructs the venous return so it helps to distend the vein) .  \nNote/ as a rule, the tourniquet should not be placed too tightly or left on the patient for more than 2 min.  \nWhat are the effects if it left for more than 2 min?  \nProlonged application of the tourniquet results in partial stasis of blood which leads tohemoconcentration that increase concentration of serum enzymes, potassium, proteins, and protein bound substances as calcium.  \nVein-puncture:  \n1-Check the syringe  \n2-The plunger must be pushed firmly to the bottom of the cylinder to prevent injection of air into the vein, this can be fatal.  \n3-Use 70% alcohol as disinfectant the site in concentric circle and let it to dry for 30–60 sec to avoid hemolysis and burning sensation.  \n4-Enter by the needle at 45-degree angle (under the skin and then into the vein), When the needle enters the vein there is sudden loss of resistance and blood come in the head of needle.  \n5-Remove the tourniquet once the needle has been inserted.  \nNote If the needle were removed prior to the Tourniquet being removed, blood would be forced out of the venipuncture site, resulting in hematoma.  \n6-Withdraw blood gradually by gently pulling upon the syringe plunger. 7-Place a sterile cotton piece over the point where the needle entered the skin.  \n8-Remove the syringe quickly  \n9-Dispose of contaminated materials and needles in special disposal containers.  \n3-Heelstick Procedure (infants):  \nThe recommended location for blood collection on a newborn baby or infant is the heel.  \n1-Prewarming the infant's heel (42° C for 3 to 5 minutes) is important to increase the flow of blood for collection.  \n2-Hold the baby's foot firmly to avoid sudden movement.  \n3-Make the cut across the heel print lines so that a drop of blood can well up and not run down along the lines.  \n4-Wipe away the first drop of blood with a piece of clean, dry cotton gauze. Since newborns do not often bleed immediately. Do not use excessive pressure because the blood may become diluted with tissue fluid.  \nVenous bl","cbCaieplMU92xGhZ","https://ap.wps.com/l/cbCaieplMU92xGhZ","pdf",769778,"English","# Blood collection (Phlebotomy)\n## Common methods of blood collection\n## Capillary (peripheral) blood sampling\n## Venipuncture blood sampling\n## Heelstick procedure for infants\n## Arterial blood collection and blood gas purpose","[{\"question\":\"What are the four popular methods of blood collection mentioned?\",\"answer\":\"The document lists capillary sampling, venipuncture sampling, heelstick procedure for infants, and arterial sampling.\"},{\"question\":\"What is the key preparation and positioning guidance for venipuncture sampling?\",\"answer\":\"It advises reading the patient request, preparing equipment and appropriate tubes, seating the patient 15 to 20 minutes before drawing, avoiding certain arm conditions, and applying a tourniquet to distend the vein without leaving it on for more than 2 minutes.\"},{\"question\":\"Why is arterial blood collected, and what does an arterial blood gas test measure?\",\"answer\":\"It is used to measure oxygen and carbon dioxide levels and to check acid-base (pH) balance, including in emergency situations. The test measures oxygen content, hemoglobin, oxygen saturation, and partial pressure of oxygen.\"}]","Blood Collection (Phlebotomy) - Procedures and Key Steps | PDF",18]