OSCE Flashcards
Causes of microcytic anaemia
SIT
Sideroblastic anaemia
IDA
Thalassameia
Causes of normocytic anaemia
acute blood loss
haemolytic anaemia
sickle cell anaemia
anaemia of chronic disease
Causes of macrocytic anaemia
FAT RBC:
Fetus (pregnancy) Alcohol Thyroid disease (i.e. hypothyroidism) Reticulocytosis B12 and folate deficiency Cirrhosis and chronic liver disease
Causes of IDA
Chronic blood loss (1. Menstrual loss; 2. GI tract loss e.g. malignancy, any ‘-itis’, ulcers, varices; 3. Urinary
tract loss)
↑demand (pregnancy, growth)
↓absorption (coeliacs, gastrectomy)
Poor intake
IDA iron binding studies
iron ↓
TIBC ↑
ferritin ↓
Anaemia of chronic disease iron binding studies
iron ↓
TIBC ↓
ferritin normal
Causes of high neutrophil count
Bacterial infection Inflammation Necrosis Corticosteroids Malignancy/ myeloproliferative disorder Stress (trauma, surgery, burns)
Causes of high lymphocyte count
Viral infection
Chronic infections
CLL/ lymphoma
Causes of high eosinophil count
Allergy Parasitic infection Drug reactions Hypereosinophilic syndrome Skin diseases Malignancy e.g. Hodgkin’s disease
Causes of high basophil count
Some leukaemias/ lymphomas IgE mediated hypersensitivity Inflammatory disorders Myeloproliferative disorders Viral infection
Which murmur radiates to the carotids?
aortic stenosis
which murmur radiates to the axilla?
mitral regurgitation
which murmur radiates to the left sternal edge?
aortic regurgitation
Which valve defects are accentuated by sitting forwards?
aortic
which valve defects are louder on inspiration?
right sided