Tuesday, February 4, 2014

Refresher course for February 2014

Refresher course in Radiographic Techniques will be held at NR Medical Imaging on 15th February at 2 pm.. 
Limited to 10 persons only..
Let's join us for this great experiences..

Further information call Shahir/ Farhana 03 5518 4930 @ 
email : shahir90.nrmedical@gmail.com, farhana.nrmedical@gmail.com



Monday, February 3, 2014

2nd CME @ Alor Star, Kedah

Our next CME will be held in Alor Star, Kedah on 1st March 2014.
Venue: Holliday Villa Hotel, Alor Star, Kedah.
Time: 8am - 1pm.
Interested? Please register early to avoid disappointment.
Further information call Asma, 03 5518 4930 @ email : asma.nrmedical@gmail.com

Case review 11: Pulmonary Arterial Hypertension


History

This young lady came for pre-employment medical check up. She gave no specific symptoms or significant past medical history. Her physical examination did not reveal anything significant either.

X-ray findings

However, her chest x-ray showed prominent main pulmonary artery. Both right and left pulmonary arteries are large but taper rapidly. The peripheral pulmonaries are inconspicuous. The lungs are relatively oligaemic. These findings are consistent with Pulmonary Arterial Hypertension (PAH).

Discussion

PAH can be due to many causes. It is most commonly due to chronic left to right shunt such as chronic left to right shunts such as in atrial septal defect (ASD), ventricular septal defect (VSD) and patent ductus arteriosus (PDA). It can also be due to pulmonary artery stenosis or chronic thrombosis in the pulmonary artery. There are also less common causes related to arteritis such as  polyarteritis nodosa (PAN), systemic lupus erythematosus (SLE), Takayasu arteritis and Wegener granulomatosis causing an increase in pulmonary arterial pressure.

If there is no known cause, then it is called primary pulmonary hypertension. This is rare.

Patients may present with shortness of breath on exertion, syncope, easy fatigability, hyperventilation and chest pain.

However, be careful in the following situations when the pulmonary artery may appear large:
  •     It can be normal in young patients especially women
  •     It can be projectional due to rotation or lordotic view
  •     It can be due to rotation of the heart such as in pectus excavatum

Thus, good x-ray technique is important.