Mrs Sharon McKenzie is a 77 year old female who has presented to the emergency department with increasing shortness of breath, swollen ankles, mild nausea and dizziness.

Mrs Sharon McKenzie is a 77 year old female who has presented to the emergency department with increasing shortness of breath, swollen ankles, mild nausea and dizziness.

Mrs Sharon McKenzie is a 77 year old female who has presented to the emergency department with increasing shortness of breath, swollen ankles, mild nausea and dizziness. During your assessment Mrs McKenzie reports the shortness of breath has been ongoing for the last 7 days, and worsens when she does her gardening and goes for a walk with her husband.
On examination her blood pressure was 105/55 mmHg, HR 54 bpm, respiratory rate of 24 bpm with inspiratory crackles at both lung bases, and Sp02 at 92% on RA. Her fingers are cool to touch with a capillary refill of 1-2 seconds. Mrs McKenzie states that this is normal and she always has to wear bed socks as Mr McKenzie complains about her cold feet.
Her current medications include: digoxin 250mcg daily, frusemide 40mg BD, enalapril 5mg daily, warfarin 4mg daily.
The following blood tests were ordered: a full blood count (FBC), urea electrolytes and creatinine (UEC), liver function tests (LFT), digoxin test, CK and Troponin. Her potassium level is 2.5mmol/L.
Mrs McKenzie also has an ECG which showed sinus bradycardia, and a chest x-ray showing cardiac enlargement and lower-lobe infiltrates, suggesting the presence of acute exacerbation of congestive cardiac failure.
Impression: Congestive cardiac failure with ?digoxin toxicity

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