Please select the eligibility criteria that correspond to the clinical trial below.
Title: N/A
Brief Summary: The purpose of this trial is to determine whether a conservative or a liberal blood transfusion strategy is better for patients with a heart attack and a low blood count.


Options:
A: Inclusion Criteria:

* Primary hip fracture
* capable of informed consent
* independently dwelling
* able to ambulate independent of human assistance
* no active heart condition defined as no AMI within 3 months, no unstable angina or present incompensation/pulmonary oedema
* no regular transfusion demand or terminal disease.

Exclusion Criteria:

* Multiple fractures
* postop. immobilization due to to surgical reasons
* patient refusal to participate in relevant rehabilitation
* reoperation within 4. postoperative day.
B: Inclusion Criteria:

* at least 18 years of age
* were to undergo isolated on-pump CABG
* were able to give informed consent

Exclusion Criteria:

* performed autologous blood donation
* underwent off-pump CABG
* emergency procedure
* resternotomy
* known bleeding disorder not drug related
* history of heparin-induced thrombocytopenia
* Jehovah's Witness
* intra-operative catastrophe prior to randomization
C: Inclusion Criteria:

* 18 years of age or older
* Either ST segment elevation myocardial infarction or Non ST segment elevation myocardial infarction consistent with the 3rd Universal Definition of Myocardial Infarction criteria that occurs on admission or during the index hospitalization
* Hemoglobin concentration less than 10 g/dL at the time of random allocation
* Patient physician believes that both of the transfusion strategies are consistent with good medical care for the patient

Exclusion Criteria:

* Uncontrolled acute bleeding at the time of randomization defined as the need for uncrossed or non-type specific blood
* Decline blood transfusion
* Scheduled for cardiac surgery during the current admission
* Receiving only palliative treatment
* Known that follow-up will not be possible at 30 days
* Previously participated in MINT
* Currently enrolled in a competing study that interferes with the intervention or follow-up of MINT or enrolled in a competing study that has not been approved by the local Institutional Review Board
* Patient physician does not believe the patient is an appropriate candidate for the trial
D: Inclusion Criteria:

All of the following must be present:

* Acute myocardial infarction with presentation within 72 hours of randomization (acute myocardial infarction is defined as ischemic-type chest discomfort lasting at least 30 minutes associated with creatinine kinase MB (CKMB) or troponin \>upper limit of normal \[ULN\])
* Admission to CCU
* Hematocrit .30 or less
* Written, informed consent

Exclusion Criteria:

* Inability or unwillingness to receive red cell transfusions
* Active bleeding (overt blood loss accompanied by a decrease in hematocrit of at least 5% in the preceding 12 hours)
* Receipt of red cell transfusion within 7 days of randomization
* Prior severe transfusion reaction
* Pregnancy
* Imminent death
* Decision to provide limited care
* Age \<21
* Participation in another clinical trial in which blood transfusion is a requirement or a component of a primary or secondary endpoint
* Previous participation in the CRIT Pilot

Answer: D