A one-piece thermoformed packaging cap for article shock-protection which has two elongate wings integrally hinged and have upstanding shoulders which define a channel that receives part of the article. The system captures information relating to the patient and the requested transportation, and applies service level rules representing the applicable regulatory requirements for medical transportation at the location of the patient to determine the required level of service based on the patient’s condition and needs. The elastic fixture includes a sheet-metal curved beam having one end fixedly attached to the length measuring apparatus and the other end fixedly attached to the object to be measured. Endocardium and epicardium gradients are calculated for one phase of the selected image slice.