Hong Kong Baptist Hospital provides quality lung function test service. Lung function test evaluates how well your lungs work and the data is presented on a chart called spirogram, which helps diagnose lung diseases, measures the severity of lung problems and checks the effectiveness of treatment on lung disease.

	Spirometry: measuring the amount and speed of air that can be inhaled and exhaled. The test is helpful in assessing conditions such as asthma, pulmonary fibrosis and COPD, it is also effective in assessing fitness of lung before operation.
	Gas Diffusion Capacity/ DLCO: studying alveoli gas exchange function and is useful in diagnosing certain lung diseases such as emphysema, interstitial fibrosis and pulmonary hypertension.
	Lung Volume: studying the volume of air inspired into, expired from or stayed in the lungs during breathing.

	Normal diet is allowed;
	Please consult your attending doctor to see whether you should stop taking any of your medications such as bronchodilator before the test; and
	Bring your own medications, e.g. inhaler and accuhaler.

	Patient sits comfortably;
	Patient needs to breath through a mouthpiece which is to be held tightly with his/ her mouth and lips; and
	Patient must follow the instructions of our medical staff to complete the test.

	Please bring along with your doctor's referral letter and personal identify document such as HKID card, birth certificate or passport for registration 15 minutes before the test. Registration locations are as below:
	Referral by resident doctor: please register at Outpatient Department (G/F, Block B)

Monday - Friday 8:30am - 4:30pm Saturday 8:00am - 1:00pm Closed on Sunday and Public Holidays

For enquiries and appointments, please contact us at:
Electrical Diagnostic Unit

Address	:	4/F, Block D, Hong Kong Baptist Hospital
Telephone	:	2339 8991/ 8975
Fax	:	2339 8436