Hypertension - measuring and diagnostics Flashcards

1
Q

HTN- Measuring and Diagnostics

Primary HTN is related to _ and _ factors

A

genetic and environmental factors

most common kind

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2
Q

HTN- Measuring and Diagnostics

Secondary HTN is associate with _

A

medical conditions

renal disease, cushings, OSA, thyroid disease etc

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3
Q

HTN- Measuring and Diagnostics

What 5 medication classes can cause HTN

A
  • steroids
  • NSAIDs
  • OCPs
  • HRT
  • antidepressants (MAOIs)
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4
Q

HTN- Measuring and Diagnostics

What are 4 big risk factors for HTN as per guidelines

A

DM
CKD
not enough fruits and veg
inactivity

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5
Q

HTN- Measuring and Diagnostics

HTN is the most prevalent risk factor for _ in Canada

A

CVD

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6
Q

HTN- Measuring and Diagnostics

What is the recommended screening for HTN

A

standardized BP measurement using validated protocols and devices at every appropriate visit

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7
Q

HTN- Measuring and Diagnostics

What is the most accurate method of BP measurement to diagnose HTN

A

ABPM x 24 hours with readings q20-30mins

ABPM- automated blood pressure monitoring- done at home

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8
Q

HTN- Measuring and Diagnostics

When doing ABPM how many daytime and nighttime readings are needed to dx HTN?

A

20 daytime
7 night time

home BP readings better predict outcomes than office ones

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9
Q

HTN- Measuring and Diagnostics

When should ongoing home BP monitoring be considered?

HBPM

A

adults with inadequately controlled BP

also used if pt can’t tolerate ABPM for intial dx

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10
Q

HTN- Measuring and Diagnostics

When should out of office BP measurement (ABPM or HBPM) be used during dx?

2

A
  • when in office BP high to r/o white coat
  • suspected HTN including adults with DM to r/o masked HTN
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11
Q

HTN- Measuring and Diagnostics

White coat HTN is more common in which people

6

A
  • women
  • older people
  • nonsmokers
  • people with mildly elevated BP in office
  • pregnant women
  • people without target organ damage
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12
Q

HTN- Measuring and Diagnostics

Do people with white coat need to be treated?

A

no

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13
Q

HTN- Measuring and Diagnostics

Why is it important to ID people with white coat?

A

to avoid overtreating those who do not require treatement

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14
Q

HTN- Measuring and Diagnostics

In the case of normal BP in office who should you suspect for masked HTN?

masked HTN = higher BP out of office

9

A
  • men
  • older people
  • smokers
  • heavy drinkers
  • obesity
  • DM
  • other CV risk factors
  • LV hypertrophy
  • high normal BP in office
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15
Q

HTN- Measuring and Diagnostics

How do you r/o masked HTN

A

ABPM or HBPM

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16
Q

HTN- Measuring and Diagnostics

When doing ABPM what is high for awake readings? What is high for mean 24 hour readings?

A
  • awake 135+ or 85+
  • mean 24hour 130+ or 80+
17
Q

HTN- Measuring and Diagnostics

In patients with CKD what does HBPM independently predict

A

development of end stage renal failure

18
Q

HTN- Measuring and Diagnostics

What values of home BP readings are considered high

note this is HBPM not ABPM

A

mean of 135+ and or 85+
averaged over 7 days twice in AM and twice in PM excluding first day readings

associated with increased overall mortality risk

19
Q

HTN- Measuring and Diagnostics

What 3 things should adults with confirmed HTN have a baseline assessment of?

A
  • CV risk factors (screening for DM, hyperlipidemia, renal disease)
  • target organ damage
  • routine labs
20
Q

HTN- Measuring and Diagnostics

What is important to consider in all women of reproductive age with new dx of HTN and during f/u visits?

A

possibility of pregnancy

21
Q

HTN- Measuring and Diagnostics

When taking in office BP what is the standard method?

A

electronic device > auscultation

AOBP preferred over OBPM

22
Q

HTN- Measuring and Diagnostics

In a patient with HTN that displays stable normotensive BP averages what long term observation should be done?

A

one week of HBPM readings every 3 motnhs

23
Q

HTN- Measuring and Diagnostics

Is auscultation or automated cuffs preferred in office?

A

automated cuffs

24
Q

HTN- Measuring and Diagnostics

When using AOBP what is considered high?

A

SBP 135+ or DBP 85+

25
Q

HTN- Measuring and Diagnostics

When using OBPM what is high and what is high normal?

A

High 140+/90+
high normal 130-139/85-89

26
Q

HTN- Measuring and Diagnostics

What should be used on patients with large arm circumferences where standard upper arm cuffs cannot be used?

wrist cuffs should only be used for mestimation - not recommended for exact measurement

A

validated wrist devices with recording capabilties

27
Q

HTN- Measuring and Diagnostics

When using a wrist cuff where should the wrist and arm be located?

A

supported at heart level

28
Q

HTN- Measuring and Diagnostics

What two patients may benefit from daily HBPM

A
  • Diabetics
  • pts who forget to take meds frequently
29
Q

HTN- Measuring and Diagnostics

According to guidelines in office, who should take BP and how often?

A
  • HCP who have been trained to take BP accurately
  • all adutls at all appropriate visits
30
Q

HTN- Measuring and Diagnostics

What two purposes does checking BP at office visits serve

A

assess CV risk
monitor antihypertensive treatement

31
Q

HTN- Measuring and Diagnostics

What is sitting vs standing BP used for?

A

Sitting- determine and monitor treatment decisions
standing- assess for postural hypotension which may modify treatment