Table 3 Causes of dyspnea according to ultrasound diagnosis and final composite diagnosis

Pneumonia

167

188

Acute pulmonary edema

37

35

Pleural effusion

21

16

LV dysfunction

14

9

ARDS/ALI

11

35

Pericardial effusion

3

2

AECOPD/asthma

1

16

Acute coronary syndrome

1

2

Pulmonary embolism

1

1

Pneumothorax

1

1

Others

41

29

 Normal/inconclusive

27

0

 Valvular disease

5

4

 DCM

2

2

 RV strain

7

0

 Acute anxiety attack

0

1

 Airway obstruction

0

3

 Malignancy

0

10

 Angina equivalent

0

1

 Myasthenia crisis

0

1

 DKA

0

1

 Metabolic acidosis

0

1

 Complete heart block

0

1

 Upper respiratory tract infection

0

3

 Severe PAH

0

1

Total

298

334