Write a very short cover letter in British English to Powys Teaching Health Board for the job below that I found on jobsincare.com 

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                                                    Advanced Cardiac Physiologist (Echocardiography) with Powys Teaching Health Board in Newtown

                                                     THIS POST IS FIXED TERM/SECONDMENT FOR 9 MONTHS DUE TO COVER MATERNITY LEAVE   IF YOU ARE INTERESTED IN APPLYING FOR THE SECONDMENT POSITION, YOU MUST OBTAIN PERMISSION FROM YOUR CURRENT LINE MANAGER PRIOR TO APPLYING FOR THIS POST.   Perform with competency and autonomy echocardiograms, alongside clinical assessment skills, to interpret results based on highly developed skills and theoretical knowledge.   Plan and deliver complex assessments and provide highly specialised advice to patients and healthcare professionals.   Work as an independent practitioner within a team, to deliver an effective and efficient service with high standards of care.   Provide supervision and training in the specialist area of Echocardiography for less experienced staff and student Physiologists.   Perform and report trans-thoracic echocardiograms.   Lead advanced echocardiography clinics, including surveillance clinics, assuming responsibility for patients care and treatment.   Ensure that resources and equipment are available to provide an echocardiography and ECG monitoring service; identify and highlight problems that you cannot manage directly, communicating the issues to appropriate colleagues in a timely manner.   Facilitate risk stratification of patients waiting for echocardiography, ensuring timely booking for routine and urgent outpatients.   Using advanced specialist knowledge to aid the Cardiology Lead to evaluate service development.   Ensure that adequate stock is available to deliver the Echocardiography service.   About us  The ability to speak Welsh is desirable for this post; English and/or Welsh speakers are equally welcome to apply.   Please see attached job description for further information on main responsibilities.