Requires Glenohumeral join AP and axillary view x-rays (consider referral to A&E or MIU)
If normal x-ray, but unable to elevate to 90 degrees by 2/52, then consider rotator cuff tear.
EITHER ultrasound or urgent referral
If cuff tear found then consider urgent referral for surgery
If no cuff tear and no improvement with physio, then consider referral