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Cardiovascular Distress Score (CVD) in Premature Infants with PDA [38]
| Parameter | SCORE | ||
|---|---|---|---|
| 0 | 1 | 2 | |
| Heart rate (bpm) | <160 | 160-180 | >180 |
| Heart murmur | None | Systolic murmur | Murmur continues to diastole |
| Peripheral pulse | Normal | Bounding brachial | Bounding brachial and dorsal pedis |
| Precordial pulsation | None | Palpable | Visible |
|
Cardiothoracic
ratio |
<0.60 | 0.60-0.65 | >0.65 |
