Combined stress and rest, stress and re‑injection or rest and redistribution myocardial perfusion study, including delayed imaging or re‑injection protocol on a subsequent occasion, with single photon emission tomography, with or without planar imaging, if: (a) the patient has symptoms of cardiac ischaemia; and (b) at least one of the following applies: (i) the patient has body habitus or other physical conditions (including heart rhythm disturbance) to the extent that a stress echocardiography would not provide adequate information; (ii) the patient is unable to exercise to the extent required for a stress echocardiography to provide adequate information; (iii) the patient has had a failed stress echocardiography provided in a service to which item 55141, 55143, 55145 or 55146 applies; and (c) the service includes resting electrocardiograph, continuous electrocardiograph monitoring during exercise (with recording), blood pressure monitoring and the recording of other parameters (including heart rate); and (d) the service is requested by a medical practitioner (other than a specialist or consultant physician); and (e) the service is not associated with a service to which item 11704, 11705, 11707, 11714, 11729, 11730, 61321, 61324, 61325, 61345, 61357, 61394, 61398, 61406 or 61414 applies; and (f) if the patient is 17 years or older—a service to which this item, or item 61321, 61324, 61325, 61345, 61357, 61394, 61398, 61406 or 61414, applies has not been provided to the patient in the previous 24 months (R)