Measuring ventiliation

SPIROMETER:

Procedure-

• The spirometer is pre-filled with medical grade oxygen to insure safety of the patient
• It is left full with the taps closed
• The patient is asked to sit down and to try and relax
• The mouthpiece is rinced with an antiseptic solution or a new mouthpiece is used from a sterile pack
• Mouthpiece is placed in subjects mouth
• The recorder is started
• At the end of an exhalation the tap is tuened to connect the subject to the spirometer
• From this point the patient is breathing oxygen from the spiometer bell
• Normal breathing is recorded for around 1 min
• The patient is asked to breathe in as deeply as possibleollowed by normal breathing for a few breaths
• To complete the assessment the patient is asked to breath out as far as possible, followed by normal breathing for another minute.

PEAK FLOW:

Procedure-

• Before the reading is taken make sure the mouthpiece is clean and the meter is set to zero
• The subject takes  deep a breathas possible, immediatly blowing out as hard as possible
• The lips should be sealed firmly around the mouthpiece to insure that none of the air escapes and all the air gets blown through the meter
• The process is repeated 3 times and the highest value is written down as the recording.