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4th March 2024
A 76-year-old female is admitted to the elderly care ward due to community-acquired pneumonia.
A 76-year-old female is admitted to the elderly care ward due to community-acquired pneumonia. She has had three doses of IV amoxicillin and is feeling better. She has a past medical history of a mechanical aortic valve due to severe aortic stenosis. She is currently taking 9mg of warfarin daily.
Recent blood tests show the following results:
| Blood results | Reference Ranges | |
| Hb | 125 | 130-180 g/L |
| Platelets | 324 | 150-400 x109/L |
| WCC | 8.9 | 4-11 x1012/L |
| CRP | 27 | <5 mg/L |
| INR | 7.1 | 0.8-1.1 |
| APPT | 41 | 35-45s |
On examination:
- HR 77 bpm
- RR 14 bpm
- BP 128/98 mmHg
- Temperature 37.8 °C
- Saturations 97%
She denies any melaena or haematuria. There are no obvious signs of bleeding.
Select the most appropriate changes to this patient’s warfarin therapy:
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