Anaemia

Disease	Iron	TIBC	Ferritin
Iron deficiency	$\downarrow$	$\uparrow$	$\downarrow$
Anaemia of chronic disease	$\downarrow$	$\downarrow$	$\uparrow$
Chronic haemolysis	$\uparrow$	$\downarrow$	$\uparrow$
Haemochromatosis	$\uparrow$	$\downarrow$ or $\leftrightarrow$	$\uparrow$
Pregnancy	$\uparrow$	$\uparrow$	$\leftrightarrow$
Sideroblastic anaemia	$\uparrow$	$\leftrightarrow$	$\uparrow$

Haemolytic - macrocytic $\uparrow$ reticulocytes $\uparrow$ bilirubin

• Things wrong inside cell - sickle cell, G6PD def, Thalassaemia
• Things wrong with RBC membrane - spherocytosis elliptocytosis
• External things wrong - antibodies, heart valves, drugs, vascular