Devices to Measure Lung Volume

Question 1

Pneumotachograph

Answer 1

• Current
• integrates airflow to get volume
• Calibration: rotometer

Question 2

RIP Vest

Answer 2

• elastic bands over ribcage and abdomen
• circumferential
  -estimate of lung volume

Question 3

Magnetometer

Answer 3

• 2 probes on chest
  -radiotransmission on the front and back

Question 4

Respitrace

Answer 4

• circumferential
• Calibration: 1 Liter of air

Question 5

Spirometer

Answer 5

• Direct
• Blow into it