Vascular and ischaemic disease Flashcards
What are the two types of peripheral vascular disease
Intermittent claudication
Chronic limb-threatening ischaemia
When does intermittent claudication occur
When there is not sufficient blood flow to exercising muscle due to atherosclerosis in arteries
What are the features of intermittent claudication (2)
Cramp-like pain on exercise
Pain relieved by rest
When does chronic limb threatening ischaemia occur
When there is insufficient blood supply to a limb to maintain viability of that limb
What are the symptoms of chronic limb threatening ischaemia (8)
Pain at rest
Ulcers
Gangrene
Limb cold to touch
Absence of peripheral pulses
Colour changes
Poor tissue nutrition
Venous guttering
What investigations are used for peripheral vascular disease (4)
Pulse
Ankle-brachial pressure index
Duplex
Angiography
What types of secondary prevention are used for peripheral vascular disease (6)
Weight loss
Blood pressure control
Diabetes control
Exercise
Smoking cessation
Antiplatelet and statin therapy
What is assessed before arterial reconstruction is used to manage peripheral vascular disease (2)
For inflow surgery: If there is adequate blood flow to the affected segment
For outflow surgery: If arteries open up beyond the blockage
What are the determinants of blood pressure (3)
Cardiac output
Peripheral vascular resistance
Blood volume
What are the determinants of hypertension (3)
Changes in cardiovascular control mechanisms
Genetics
Lifestyle
Environment
What are the two types of hypertension
Primary and secondary
Describe primary hypertension (3)
No single cause
Due to a complex interaction of genetic and environmental factors
Most common form of hypertension in adults
Describe secondary hypertension (3)
Single cause
Removal/reversal of cause leads to normalisation of blood pressure
Most common form of hypertension in children
What are risk factors for primary hypertension (6)
Obesity
Age
Smoking
Genetics
High alcohol intake
High salt intake
What are the two sub-types of hypertension
Benign
Malignant
Describe benign hypertension (2)
Stable, long-term elevation of blood pressure
Asymptomatic
Describe malignant hypertension
Acute and severe elevation of blood pressure
What are the symptoms of hypertension (5)
Headaches
Blurred vision
Nausea /vomiting
Chest pain
Altered mental state
What consequences can arise from hypertension (3)
Cerebral oedema
Haemorrhage
Organ failure
What is white coat hypertension
Hypertension that only exists when blood pressure is measured during medical consultations
How can hypertension be classified
In order of increasing severity
Stage one to three
Stage one 140/90
Stage three 180/110
What tests are offered to patients with hypertension (4)
Urine testing (protein)
Blood testing
12 lead ECG
Examination of fundi
What is analysed in the blood for a patient with hypertension (5)
Glucose
Cholesterol
Electrolytes
Creatinine
Glomerular filtration rate