Hypertension Flashcards
Symptoms
End organ damage
Headaches and nose bleeds not really caused by it but common
Stage 1 definition
140/90
AND
ABPM 135/85
Stage 2 definition
160/100
AND
ABPM 150/95
Stage 3 definition
Systolic >180
Diastolic >110
Malignant hypertension
BP>180/110
Papilloedema or retinal haemorrhages
Postural hypotension
- measure BP seated or supine
- stand patient for 1 minute
- systolic drops by more than 20mm
ABPM
- 24 hour
- take BP 3 times an hour during day
- hourly at night
- night should dip, if not = worse prognosis
- home monitoring acceptable alternative
Who should be offered ABPM
All patients
What to ask about in HPC?
- pregnancy
- the pill
- BP check for work -e.g. HGV
What to ask about in PMH?
- diabetes
- CVA
- MI
- renal disease
What to ask about in FH?
- cause and age of death
- MI and CVA specifically
- parents and siblings
What to ask about in SH?
- smoking
- alcohol
- salt
- dairy
- 5 a day
- exercise
- caffeine
- snoring
What to ask about in CV systems review?
- angina
- claudication
- exercise tolerance
- erectile function
What to ask about in systems review for women?
- pregnancy plans
- contraception
What to do on examination/
- both arms
- APBM before starting treatment
- end organ damage signs = eyes, proteinuria
- secondary causes = cushings, coarctaton, RAS
What investigations
ABPM Urinalysis U&E Lipids FUndi ECG Weight Secondary care = ECHO, urinary cats, renin/aldo, renal/liver US
Artifact causes
White coat
wrong cuff size
Diagnosis of exclusion
- genetic
- city living
- alcohol
- obesity
- salt
- lack of exercise
- OSA
2ry causes
- phaeo
- cushings
- OSA
- obesity
- conns
- renal disease
- RAS
- drugs = OC, steroids, recreational
Heart end organ damage
MI
CCF
Brain end organ damage
CVA
Kidney end organ damage
Nephrosclerosis
Accelerates other forms of kidney disease
End organ damage e.g.
Brain Heart Kidney Legs ED (depends on ethnicity)
Stage 1 management
- asses CV risk
- if target organ damage or 20% risk = drugs
- lifestyle
Stage 2 management
- APBM check
- drugs and lifetsyle
Stage 3 management
treat now
DRUGS
- ACEi/ARB
- CCB
- diuretics
CI for ACEi/ARB
- check pregnancy plans
- under 55
- not as monotherapy in africans or caribbean
CI for CCB
- over 55
- African or caribbeans
- caution if worried about HF or oedema
Targets
- under 80 = 140/90
- over 80 = 150/90
- end organ damage, diabetic, renal disease = 130/80
Other drugs
- spironolactone
- beta blockers
- alpha blockers
- moxonidine (centrally acts)
- renin inhibitors
Which drugs to use in pregnancy
- labetolol
- methyldopa
- nifedipine
Surgical treatments
- renal denervation
- AV fistula