A male patient has presented with the following results for spirometry and plasma Po2. What is your diagnosis? (Use your lecture notes to derive the normal range for these parameters. Also note that usually plasma O₂ is determined by saturation percentage, not Po2, but humour me here). Parameter Vital Capacity FEV₁ FVC Arterial Po2 Venous Poz Value 4340 ml 3310 ml 4120 ml 86 mmHg 134 mmHg
A male patient has presented with the following results for spirometry and plasma Po2. What is your diagnosis? (Use your lecture notes to derive the normal range for these parameters. Also note that usually plasma O₂ is determined by saturation percentage, not Po2, but humour me here). Parameter Vital Capacity FEV₁ FVC Arterial Po2 Venous Poz Value 4340 ml 3310 ml 4120 ml 86 mmHg 134 mmHg
Cardiopulmonary Anatomy & Physiology
7th Edition
ISBN:9781337794909
Author:Des Jardins, Terry.
Publisher:Des Jardins, Terry.
Chapter15: Hemodynamic Measurements
Section: Chapter Questions
Problem 3RQ
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Transcribed Image Text:A male patient has presented with the following results for spirometry and plasma Po2. What is your diagnosis? (Use your lecture
notes to derive the normal range for these parameters. Also note that usually plasma O₂ is determined by saturation percentage,
not Po2, but humour me here).
Parameter
Vital Capacity
FEV₁
FVC
Arterial Po2
Venous Po2
COPD
Value
4340 ml
3310 ml
4120 ml
O Pulmonary fibrosis
Pulmonary oedema
86 mmHg
34 mmHg
O Methemoglobinaemia (causes a leftward shift in the oxygen-haemoglobin dissociation curve)
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