Dear friend, welcome and thanks for entrusting your query here at Healthcaremagic!
I am Dr. Prasad Akole (Critical Care Expert- http://bit.ly/Dr-Prasad-Akole) and am glad to address to your query here.
It would be better if you load the actual reports here.
You seem to have acute respiratory failure
and hypoxia (low oxygenation) since you have cough, expectoration, fatigue
(blood in sputum).
As you are low on oxygen in the blood as well as have an anaemia
, you are put on oxygen.
All these are signs of a severe respiratory failure. Underlying infection is probably the cause.
You need ICU, Oxygen, labs, Xrays, antibiotics , respiratory therapy