diagnostic approach towards a patient with...
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DIAGNOSTIC APPROACH TOWARDS A PATIENT TOWARDS A PATIENT WITH ANAEMIA
Maj Gen (R) Suhaib Ahmed, HI (M)MBBS; MCPS; FCPS; PhD (London)
Genetics Resource Centre (GRC)Rawalpindi
www.grcpk.com
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AnaemiaAnaemia
Reduction in Haemoglobinbelow the normal range for theage and sex of the individual
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Reference Ranges• Haemoglobin:
Reference Ranges• Haemoglobin:
• Adult males: 13.5-18.5 g/dL• Adult females:11.5-16.5 g/dL• Children: 11.5-14.5 g/dl
• Packed Cell Volume (PCV):• Adult males: 0 40-0 54 L/L• Adult males: 0.40-0.54 L/L• Adult female: 0.37-0.47 L/L
• TRBC:• Adult male: 4.5-6.5 X 1012/L• Adult females:3.8-5.8 X 1012/L
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Absolute ValuesAbsolute Values• Mean Cell Volume (MCV):• Mean Cell Volume (MCV):
• Adults: 76-96 fL• Infants: 100-120 fL• Children: 70-86 fL
• Mean Cell Haemoglobin (MCH):• Adults: 27-32 pgg• Children: 24-30 pg
• Mean Cell Haemoglobin Concentration (MCHC):• Adults & Children: 30-35 g/dL• Adults & Children: 30-35 g/dL
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Physiological Adaptationy g pin Anaemia
• Erythroid hyperplasia• Increased release of O2 from Increased release of O2 from
RBCs (increased 2,3-DPG)• Increased cardiac output• Increased cardiac output• Maintenance of blood volume• Redistribution of blood flow
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Clinical Features of Anaemia• Fatigue and weakness• Dyspnoea on exertion• Palpitation• Faintness, giddiness, headach
bl k t tblackouts etc.• Pallor• High output state• High output state• Signs and symptoms of the underlying
disease disease
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Diagnosis of AnaemiaDiagnosis of Anaemia
• Is the patient anaemic?• What is the type of anaemia?What is the type of anaemia?• What is the cause of anaemia?
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Classification of AnaemiasClassification of Anaemias
• Aetiological• MorphologicalMorphological
• Hypochromic microcytic• Macrocytic• Macrocytic• Normochromic normocytic
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Hypochromic Microcytic yp yAnaemias• Iron Deficiency• Thalassaemia• Chronic disorders• Sideroblastic anaemia
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Hypochromic Microcytic Hypochromic Microcytic Anaemias• Hb: 6.5 g/dl• TRBC: 3.1 X 1012/L• MCV: 62.1 fl• MCH: 19.2 pg• TLC: 11.0 X 109/L• Platelets: 470 X 109/L
R ti l t 3 5%• Reticulocytes: 3.5%• ESR: 43 mm in 1st hour
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• Hb: 10.5 g/dl• TRBC: 6.1 X 1012/L
MCV 69 1 fl• MCV: 69.1 fl• MCH: 18.2 pg• TLC: 7 2 X 109/L• TLC: 7.2 X 10 /L• Platelets: 220 X 109/L• Reticulocytes:3.5%y• ESR: 22 mm in 1st hour
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TLC 37 0 X 109/L• TLC: 37.0 X 109/L• Hb: 3.5 g/dl• TRBC: 2 7 X 1012/L• TRBC: 2.7 X 1012/L• MCV: 64.1 fl• MCH: 21.2 pgC pg• Platelets: 270 X 109/L• Retics: 4.5%• ESR: 37 mm in 1st hour
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Hb: 10.4 g/dlMCV: 64 flMCH: 18 pg
Hb: 12.7 g/dlMCV: 66 flMCH: 19 pg pg
Transfusion Dependent Anaemia ??Hb: 6.7 g/dlMCV: 76 flMCH: 24 pgHb-F: 3 5%Hb-F: 3.5%
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Macrocytic AnaemiasMacrocytic Anaemias
• Vitamin B12 deficiency• Folic acid deficiencyy• Liver disease• Alcoholism• Pregnancy• HypothyroidismHypothyroidism• Haemorrhage• Haemolytic anaemias • Haemolytic anaemias
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Macrocytic AnaemiaMacrocytic Anaemia• Hb: 7.5 g/dl• TRBC: 3.1 X 1012/L• MCV: 120 1 fl• MCV: 120.1 fl• MCH: 29.2 pg• TLC: 2.7 X 109/LTLC: 2.7 X 10 /L• Platelets: 32 X 109/L• Reticulocytes: 2.5%• ESR: 31 mm in 1st hour
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Normochromic Normocytic yAnaemias
• Haemolytic Anaemias• Chronic DisordersChronic Disorders• Marrow Aplasia
M D l i• Marrow Dysplasia• Marrrow Infiltration
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9/• TLC: 15.7 X 109/L• Hb: 7.5 g/dl• TRBC: 2 9 X 1012/L• TRBC: 2.9 X 1012/L• MCV: 100.1 fl• MCH: 29.2 pgMCH: 29.2 pg• Platelets: 232 X 109/L• Reticulocytes: 25.0%• ESR: 31 mm in 1st hour
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