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Medicine

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Respiratory

Question
4 out of 11
 

The abnormal preoperative pulmonary function test in a patient with severe kyphoscoliosis includes all except: (AIPG 2009)



A Reduced RV
B Increased FEV1/FVC.

C Decrease VC
D Decreased FRC

Ans. A

Reduced RV

Causes of different restrictive pattern

Restrictive - Parenchymal

Restrictive- Extraparenchymal

1). Sarcoidosis

1). Guillane-Barre syndrome

2). Idiopathic pulm fibrosis

2). Myasthenia Gravis

3). Pneumoconiosis

3). Diaphragmatic paralysis

4). Drugs (Amiodarone)

4). Cervical spine injury

5). Radiation

5). Kyphosis

6). ARDS

6). Obesity

7). Ankylosing Spondylosis

Extra Edge:

Pulmonary function tests in restrictive lung diseases

Intrinsic restrictive disease

Extrinsic restrictive diseases

Decreased RV

Normal RV

Extra Edge: Severe kyphoscoliosis is a restrictive extra-parenchymal disease and presents with normal RV & decreased TLC on pulmonary function tests.

Respiratory Flashcard List

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