An 82 year old man presents to your ED after a syncopal episode. He complains of abdominal pain and diarrhoea. On examination he has a heart rate of 105/min and a BP of 95/65. Rectal examination confirms black, foul smelling stool. His blood results are as follows:

Hb = 48 g/L (115-165)

Platelet = 208  X10^9/L   (120-370)

WCC  =14.9  X10^9/L   (4-11)

Bilirubin = 5 umol/L   (<21)

ALP =  200 U/L  (35-115)

GGT= 178  U/L  (<41)

ALT = 22 U/L  (<36)

ALB = 23 g/L  (36-48)

TP = 40  g/L (60-85)

Na = 141  mmol/L   (134-146)

K = 4.2  mmol/L   (3.4-5.5)

Urea  = 40.5  mmol/L   (3-8)

Creatinine = 120  umol/L  (40-120)

Questions:

1.  Describe and Interpret the abnormalities
2. List the 5 most common causes
3. What early scoring system predicts the need for medical/surgical intervention
4. Give the components of this score that applies to your patient