Hypertension - Aetiology, pathophysiology, treatment Flashcards

1
Q

Hypertension meaning

A

constantly elevated BP

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Left ventricular hypertrophy

A

enlargement/thickening of the walls in the left ventricle (the main pumping chamber)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Coronary heart disease

A

plaque in coronary arteries

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Farmingham study

A

risk factors

increase BP leads to increased stroke and CVD likelihood

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Sympathetic NS activation produces

A

vasoconstriction

reflex tachycardia

increased cardiac output

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Sympathetic NS activation decreases or increases BP?

A

increases

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

The renin-aldosterone-angiotensin system is responsible for long term BP control. Its controls

A

maintenance of sodium balance

control of Blood volume

control of blood pressure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

RAAS is simulated by a fall in

A

BP

Blood volume

sodium levels

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Angiotensin I is converted to angiotensin II by

A

angiotensin converting enzyme (ACE)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Angiotensin II is released in response to

A

low blood volume

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what does angiotensin II do?

A

arteriolar constriction

so less blood flow and an increased TPR

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

hypertrophy

A

increase in size/volume of organ

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Angiotensin II is also a potent

A

hypertrophic agent and vasoconstrictor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

ATRIAL natriuretic peptide

A

arteriolar dilation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Drug treatment of hypertension

A

ACE inhibitor

calcium channel blocker

thiazide (type diuretic)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Over 8- years old the BP threshold is

A

145/85 mmHg

17
Q

the normal BP threshold id

A

135/85mmHg

18
Q

is a calcium channel clocker is not suitable (eg oedema, heart failure) offer the patient a

A

thiazide-like diuretic

19
Q

For treatment of resistant hypertension consider

A

further diuretic therapy

20
Q

ACE inhibitors drug

A

Ramipril

21
Q

Angiotensin II antagonists drug

A

Losartan

valsartan

candesartan*

irbesartan

22
Q

Calcium channel blockers drugs

A

nifedipine *

Verapamil

23
Q

Thiazide type diuretics drug

A

chlortalidone

24
Q

beta blocker drug

A

biosoprolol

25
Q

What to use when treating hypertension in pregnancy?

A

methyldopa

26
Q

White coat hypertension

A

high BP in a clinical setting

(occasional high BP)

therefore need 24 hour monitoring