Research Article
Referral Patterns and Diagnostic Yield of Lung Scintigraphy in the Diagnosis of Acute Pulmonary Embolism
Table 4
Summary of V/Q scintigraphy results and comorbidities in pregnant versus nonpregnant patients.
| | Pregnant | Nonpregnant |
| N | 74 | 934 | V/Q interpretation | | | N normal (%) | 46 (62.2) | 285 (30.5) | N low (%) | 18 (24.3) | 390 (41.8) | N intermediate (%) | 5 (6.8) | 153 (16.4) | N high (%) | 5 (6.8) | 106 (11.3) | N contrast contraindication (%) | 2 (2.7) | 316 (33.8) | N renal failure (%) | 1 (1.4) | 282 (30.2) | N contrast allergy (%) | 1 (1.4) | 56 (6.0) | N pulmonary hypertension (%) | 1 (1.4) | 68 (7.3) | N chronic lung disease (%) | 1 (1.4) | 97 (10.4) | N chronic heart failure (%) | 0 (0) | 86 (9.2) |
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