Lab 1 Flashcards
informed consent is required…
- for every pt prior to receiving blood or blood products
what must be included in informed consent for blood or blood products (5)
- provide both verbal & written info that is understood by the pt or substitute decision maker
- be voluntary
- discuss risks, benefits, and alternatives (including doing nothing)
- understand the pt has the right to refuse
- include opportunity for the pt to ask questions
who can consent or refuse medical treatment in manitoba?
- competent persons 16 years or older can legally give or refuse consent
who can give consent if the pt is not competent and/or older than 16 years old (4)
- proxy
- guardian
- authorized prescriber
- substitute decision maker
who can obtain informed consent (4)
- medical resident
- physician
- NP
- registered nurse extended practice
when should the informed consent process begin
- upon initial admission to allow pt time to make an informed decision and time for consideration of alternatives
how long is consent valid for
- a consent from signed by the pt is valid for 1 year from the date of the pt’s signature if the same authorized practioner is performing the procedure
- significant changes in the pts condition require new consent
describe informed consent in the event of an emergency (4)
authorized practitioners can defer consent at their discretion if the following apply:
- pt lacks decision making capacity and subtitute decision maker not available
- urgent transfusion to save life, limb, or vital organ
- reasonable person would consent in the circumstance
- no evidence that the pt objects to the transfusion
describe consent by phone; what is required? (3)
is acceptable when not able to be done in person, it requires:
- witness throughout the convo
- signature of authorized practitioner who obtained consent
- signature of witness on consent form
what do you do if no consent is documented
- no blood given until resolved
what should you do if treatment is refused
- ensure if it documented in the health record
what are the most common transfusion associated risks
- non-infectious risks
describe infectious risk associated w transfusion (2)
- very low, but cannot be absolutely guaranteed
- donated blood is a biological product that cannot be risk free of germs
what are common non-infectious risks associated w transfusions (9)
- transfusion associated circulatory overload
- transfusion associated dyspnea
- transfusion related acute lung injury
- hemolytic reaction
- incompatible transfusion
- hypotensive reaction
- aseptic meningitis
- IVIg headache
- others
describe mild allergic reaction r/t transfusions: onset, symptoms, mngmt, can transfusion continue?
- begins within 1-45 mins after start of transfusion
- mild hives, rash
- managed w diphenhydramine
- transfusion can continue
describe transfusion associated circulatory overload: onset, symptoms, treatment, transfusion proceedings
- begins w 1-45 mins after start
- dyspnea, orthopnea, cyanosis, tachycardia, HTN, increased venous pressure
- Tx: O2, diuretics, chest xray
- consider restarting transfusion at reduced rate if clinical status allows
describe febrile non-hemolytic reaxction: symptoms, Tx, can transfusion continue?
- fever present during or up to 4 hours after transfusion
- Tx: acetaminophen
- transfusion can continue
describe anaphylactic reaction r/t transfusions: onset, symptoms, treatment, can transfusion continue
- onset: 1-45 mins after start of transfusion
- Sx: severe rash, upper or lower airway obstruction, hypotension
- stop transfusion, do not restart
- Tx: supportive ventilatory support as indicated
describe bacterial contamination r/t transfusions: symptoms, treatment
- Sx: rigors, fever, tachycardia, hypotension, dyspnea, NV, DIC
- Tx: stop transfusion, notify blood bank, return residual product, collect blood cultures, supportive therapy, abx
describe acute hemolytic transfusion rxn: why does it occur, symptoms
- occurs when wrong ABO blood is transfused
- Sx: fever, chills, hemoglobinuria, pain, hypotension, NV, dyspnea, renal failure, DIC
describe transfusion associated acute lung injury: onset, symptoms, treatment
- onset: within 1-2n hours after start, can be delayed up to 6 hrs
- Sx: dyspnea, hypoxemia, fever, hypotension, no evidence of circulatory overload
- Tx: supportive care, mechanical ventilation if needed
what are 2 rules r/t transfusion safety
- dont transfuse blood if other non-transfusion therapies or observation would be just as effective and safe
- if pt does require blood transfusion, do not transfuse more than 1 red cell unit at a time when transfusion is required in stable, non-bleeding pts –> 1 unit of blood is usually adequate if non-bleeding & stable
what are indications for a 2nd unit of blood (2)
- active blood loss
- ongoing symptoms of anemia
what are indications for a 2nd unit of blood (2)
- active blood loss
- ongoing symptoms of anemia
according to best practice, orders for blood components and/or plasma protein products should include: (7)
- pts name and unique identifier
- date & time order written & signed legibily
- type of blood to be admin
- rate at which transfusion to be admin
- duration of transfusion
- any special requirements (ex. warmer, irradiated)
- any pre-meds if required
the healthcare professional drawing blood must positively id the pt by confirming with the id band…. (2)
- first and last name
- unique identifier (PHIN)
once a blood sample is collected, the tube is labelling in the presence of the pt and includes… (6)
- first and last name
- PHIN
- date
- time
- facility name
- phlebotomist initials
when must positive pt ID be established (2)
- time of pre-transfusion blood testing
- admin of any/all blood, blood components, and/or plasma protein products
what must be done if discrepanies are discovered during positive pt identification at the bedside and at the lab
- at the bedside: blood samples must not be collected
- in the lab: sample rejected and request new blood draw from the unit
what is a transfusion medicine results report (TMRR)
report generated by Canadian Blood Services that indicates:
- indicates pt ABO group, Rh and antibody status
- expiry date and time
the TMRR is received in the pt care area within….. how long is it valid for?
- received within 1-24 hrs depending on priority
- valid for 72 hrs
the TMRR is received in the pt care area within….. how long is it valid for?
- received within 1-24 hrs depending on priority
- valid for 72 hrs
what is the most common cause of transfusion reactions
- mis-identificiation of pts
what is the second sample protocol
- ensures that no pt receives group specific blood until at least 2 samples are received w the same ABO group results
what are 2 types of pts r/t second sample protocol
- never had a type and screen
2. previous type and screen on file
describe what is done for pts who have never had a type and screen (2)
- receive group O red cells until a second type and screen is completed
- second sample requested by blood bank after issue of 2 units O group red cells
describe what is done for pts w a previous type and screen on file r/t second sample protocol (2)
- issues group specific blood immediately
- no need for second sample to be sent
what is to be included in the Request for Release of Blood/Blood Derivative form to Blood Bank (4)
- unit where blood is needed
- unit phone number
- when its required
- first and last name of ordering practioner
when is the Request for Release of Blood/Blood Component/Deriviate form used by the blood bank: (4)
when you need to:
- order plts (stored at CBS)
- request blood products for a pt with an antibody
- request irradiated plts or red cells
- request a copy of a pts result report
describe the admin of emergency blood (5)
- pre-transfusion sample must be drawn prior to admin of emergency red cells
- note on request of release form that emergency units are being requested
- phone the blood bank to notify themm
- complete tag w pt demographic info
- authorized practitioner to sign ROT
female pts under 45 years require the use of ??? for emergency situation
- group O- red cells
all clinical orders for blood products should include: (6)
- first and last name of pt
- PHIN
- DOB
- physician who ordered the product
- product requested what and how much
- where is it going (location)
the transporter must present w ??? at the hospital blood bank to pick up a blood product
- documentation (verbal orders not acceptable)
the transporter must present w ??? at the hospital blood bank to pick up a blood product
- documentation (verbal orders not acceptable)
at what point can blood products be returned to the blood bank
- if they have not been out of a controlled enviro for no more than 60 mins from the time of issue
ex. if blood no longer required, IV no longer patent and needs to be restarted
once the blood product arrives in the transfusion area, a complete visual insepction is completed to look for:
- leakage
- discoloration
- clots
- expiry date
what is done if the blood product does not pass visual inspection
- send back to the blood bank immediately
prior to admin of blood & blood products, what needs to be completed? (4)
2 person verification to verify:
- complete order from authorized practicioner
- intended recipient’s ABO group, Rh status, and any antibodies
- donation ID number, donor ABO group, and Rh status
- positive ID of the intended recipient
describe rules r/t transfusion of blood or blood products (3)
- ensure correct tubing for product being administered
- never add med to infusion
- refer to site specific policy & procedures for pediatric considerations
describe the infusion rate & duration of blood (3)
- infusion of one unit of RBC must not exceed 4 hrs
- initiate at slower rate and remain w pt for first 15 min
- increase rate as ordered after initial 15 min if no signs of adverse reaction
describe the removal of the manilla tag w blood transfusions
- do not remove until the transfusion is complete
- after transfusion is complete, remove and place tag in confidential waste