SƠ ĐỒ TƯ DUY DÀNH CHO SINH VIÊN Y KHOA - Trang 101

Huy t h c

95

Type of
anaemia

Causes

Symptoms Signs

Investigations

Treatment

Complications

Microcytic

Macrocytic

Hồng cầu

bình thường

Iron deficiency of
varying cause, e.g.

Menorrhagia

Pregnancy

Gastrointestinal tract

malignancy

Oesophagitis

Gastro-oesophageal

reflux disease

Coeliac disease

Hookworm

Schistosomiasis

Diet low in iron

Thalassaemia: see page 96



Thi u máu tan máu do
nhi u nguyên nhân khác
nhau như:

Thi u G6PD.

H ng c u hình c u di

truy n.

B t đ ng nhóm máu

Rh m con.

H ng c u hình li m.

B nh thi u máu tan

máu t mi n do kháng
th nóng và do t kháng
th l nh (cold agglutinin
disease).

Thi u máu trong các

b nh m n tính như: viêm
kh p d ng th p, thi u
máu b t s n t y.

Fatigue
Palpitations
Headache
Dyspnoea

Fatigue
Palpitations
Headache
Dyspnoea
Irritability
Depression

M t m i
H i h p
Đau đ u
Khó th
Nh ng tri u
ch ng c a
b nh đi kèm.

Pallor
Nail changes,
e.g. koilonychia
Angular cheilitis
Atrophic glossitis

Pallor
Glossitis
Angular cheilitis
Paraesthesiae
Subacute
degeneration of the
spinal cord

Nh t nh t
Nh ng tri u
ch ng c a b nh
đi kèm.

FBC

Microcytic, hypochromic

anaemia

¯ MCV (<80 fL)

¯ MCH

¯ Ferritin

¯ Iron

- Total iron binding

capacity (TIBC)
Blood film: anisocytosis and
poikilocytosis
Investigate causes, e.g.
endoscopy, stool
microscopy, barium enema

FBC

¯ Hb

- MCV (>96 fL)

¯ Vitamin B

12

¯ Folate

¯ Reticulocytes

¯ Platelets (if severe)



Công th c máu

¯ Hb

MCV bình thư ng

Bình thư ng ho c

- ferritin

Treat cause
Ferrous sulphate

Treat cause
If pernicious
anaemia then
treat with
hydroxocobalamin
injections

Đi u tr nguyên
nhân.

Fatigue
Increased risk
of infection
Heart failure

Fatigue
Heart failure
Splenomegaly
Neuropsychiatric
and neurological
complications

M t m i.
Suy tim.

TABLE 6.1 Anaemia

Remember these as
FAT RBC:
Folate deficiency
Alcohol
Thyroid (hypothyroidism)

¯ B ch c u (n ng) Tiêu

b n máu: BC đa hình thái
(thi u B

12

và B

9

), th y HC

hình bia BN b b nh gan

C n (Rư u)
Suy Giáp
B

12

(gi m vitamin B

12

)/

thi u máu ác tính

What is anaemia?

Anaemia occurs when the haemoglobin (Hb) concentration is low.
This condition may be classified as microcytic, macrocytic or normocytic.

MAP 6.1 Anaemia

p

p

p

¯

¯

(

(

)

)

Map 6.1 Thi u máu

Chapter_06.indd 95

08/12/14 6:16 PM