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Findings of computed tomographic pulmonary angiogram in patients with acute exacerbation of chronic obstructive pulmonary disease of unknown etiology
| Findings on CTPA | n (%) |
|---|---|
| No evidence of pulmonary embolism | 86 (86) |
| Evidence of thrombus in pulmonary arteries | 13 (13) |
| Central thrombus | 6 (46.1) |
| Segmental thrombus | 5 (38.5) |
| Subsegmental thrombus | 2 (15.4) |
CTPA: Computed tomographic pulmonary angiogram
