A 70 year old female presents generally unwell with malaise and fatigue for the past two days.

Her blood results are as follows:

Hb 95 g/l (110-155)

PCV 0.280

MCV 78

MCH 26

Plt 589 (150 -400) X10^9

WCC 15.1 (4-11) X10^9

Na 138 mmol/l (137-145)

K 6.0 mmol/l (3.5-5)

Cl 102 mmol/l (99-111)

HCO3 18 mmol/l (24 +-2)

Urea 16.7 mmol/l (3-8)

Creat 356 umol/l (30-100)

1. Describe and interpret the abnormalities

2. What ECG changes would you expect?