How to Read Medical Laboratory Results

 Hb Haemoglobin

Oxygen carrying component of blood 

INCREASED

 Dehydration

 Chronic obstructive lung disease

 Smoking

 Heart failure

 Renal cancer

 Haematological malignancy

DECREASED

 Blood loss

 After anticancer drugs eg chemotherapy & PARP inhibitors, due to bone marrow depression

 Iron, folate and vitamin B12 deficiency

 Chronic illness

 Haemolysis

 Chronic kidney disease

 Haematological malignancy

 

Platelets (Thrombocytes)

Vital for blood coagulation.

INCREASED

Thrombocythaemia

 Acute blood loss

 Chronic illness

 Certain forms of anaemia

 Infection

 Poor spleen function

DECREASED

Thrombocytopenia

 Infections

 Drugs – e.g. cytostatics

 Radiotherapy (rare)

 Immunologic disorders

 Haematological malignancy

 Cancer infiltrating bone marrow

 

WBC White Blood Cells / Leukocytes

Protect the body against invading microorganisms.

INCREASED

 Infections

 Haematological malignancies

 Other cancers

 Therapy with corticosteroids

 Metabolic illnesses

 Recovering bone marrow

DECREASED

 Drug – e.g. cytostatics

 Radiotherapy (rare)

 Haematological malignancy

 Cancer infiltrating bone marrow

 Immune disorders

 Severe infections

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