Table 2

A comparison of indications and contraindications by ambulance service

ServiceIndicationsContraindications
1Signs and symptoms consistent with acute myocardial infarction (AMI) or anginaPeptic ulcer, allergy to aspirin
Medical history of MI and the ECG indicates the possibility of the sameTaken aspirin within last 24 hours
2Adult patients who are suspected of having an MI, who do not fall into risk groups listed in CIReceiving treatment for duodenal or peptic ulcer
Clinical signs and symptoms of MIKnown allergy to aspirin
3One or more of the following had to be present:Known allergy to aspirin
Cardiac related pain as the chief complaintPatients with gastrointestinal bleeds
Indication on the PRF that the patient was suffering cardiac related chest painPregnancy
Patients presenting with signs and symptoms of ischaemic chest painHaemophillia and other bleeding related disorders
Patients on anticoagulants
Unconscious patients
4Chest pain believed to be ischaemic cardiac painAnticoagulant therapy
Known sensitivity to aspirin
Current histroy of gastritis or peptic ulceration
Bleeding disorders
Pregnancy
Aspirin given/taken within previous 2 hours
Refusal by patient
5Patients suffering from suspected AMINot stated
6Not stated—no guidance provided by Ambulance ServiceNot stated
7Not stated—no guidance provided by Ambulance ServiceNot stated
8Patients suffering definite/possible MINot stated
9PRF forms stating patient suffering from “chest pain” of probable cardiac originNot stated
Patients with actual or potential MI
10Patients with suspected cardiac chest painPatient taking maintenance doses of aspirin
History of ulcers
Allergy to aspirin
Patient has asthma