Acute Hypertensive Crisis Uncontrolled HTN √ Flashcards

1
Q

What defines hypertensive crisis

A

> 180 SBP and/or >120 DBP

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2
Q

name 4 cause of HTN Crisis

A

Clonidine withdraw
Serotonin Syndrome
non-medication adherence
recreational drugs

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3
Q

Do all patients have symptoms?

A

No patients can be asymptomatic

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4
Q

what are the 4 symptoms of HTN crisis

A

Confusion/Headache
Blurred Vision
Chest pain
NV

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5
Q

What are 4 signs of organ dmg

A

Stroke
heart attack, HF, Aortic Dissection
Retinopathy
Renal failure

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6
Q

flow chart of HTN crisis

A
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7
Q

htn emergency vs urgency

A

Organ Damage becomes an emergency

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8
Q

What to do with HTN Urgency

A

Start or up oral therapy
then follow up 2-4 weeks later

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9
Q

What to do with HTN Emergency (No Eclampsia or Aortic Dissection)

A

Reduce BP below 180/120 but not excceding 25%
then 160/110-100 over the next 2-6 hrs
then normal 24-48hrs

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10
Q

BP goal for preclampsia

A

Reduce BP to <140 SBP in the first hour

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11
Q

What are the 3 treatment goals for Aortic dissection?

A

<120 SBP in the first hour
HR to 80-60 bpm
Pain Control

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12
Q

3 Sign and Symptoms of Aortic Dissection

A

Knife-like pain in either the stomach or chest
Elevated kidney and liver
loss of pulse in extremities

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13
Q

Risk Factors for Aortic Dissection

A
  1. Uncontrolled HTN
  2. Illicit drugs
  3. Weightlifting
  4. Trauma
  5. Genetic conditions
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14
Q

How to treat Aortic Dissection

A

Esmolol 500mcg/kg bolus then 50mcg/kg/min infusion
Labetalol 20mg bolus then 10mg/HR infusion

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15
Q

why do we use esmolol more often

A

Esmolol is more on hand while labetalol would need to be compounded

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16
Q

When would I use IV vasodilators in the treatment of Aortic Dissection?

A

additional BP control

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17
Q

How would I titrate Esmolol

A

25-50mcg/kg/min every min till at goal
MAX 300mcg/kg/min

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18
Q

How would I titrate Labetalol?

A

up or down 10-20mg/min every 15 mins till at goal
MAX of 120mg

19
Q

Esmolol and Labetalol 2 side effect and contraindications

A

Bradycardia and Hypotension
can worse CHF symptoms

X An Active Airway Disease
caution in HFRef

20
Q

What meds for Aortic Dissection can we control HR if Esmolol and Labetalol need help

A

Nicardipine
Clevidipine
Nitroprusside

21
Q

Nicardipine Titration

A

Start 2-5mg/hour, T 1-5 mg/hr every 2 mins
MAX 15

22
Q

Clevidipine Titration

A

Start 2-4mg/hour, T 2-4mg/hour every 1 mins
MAX 32

23
Q

Nitroprusside Titration

A

Start 0.25-.5mcg/kg/min, T 0.25mcg/kg/min every 2 mins
MAX of 3mcg/kg/min

24
Q

If I need more than 2 days of IV vasodilators can i use Nitroprusside?

A

No bc of Tachyphylaxis

25
3 side effects of IV vasodilators?
Hypotension headache rebound tachy
26
What AD to watch out for with Clevidipine
Triglycerdimia
27
When cant I use Clevidipine?
Soy allergy
28
When can I not use Nitroprusside
Hepatic and Renal failure due to cyanide toxic X pregnancy X ACS
29
Can you give Nitroprusside to renal/hepatic pts?
yes but need to limit
30
Preeclampsia signs and symptoms
Headache chest pain liver and kidney failure blurred vison NV
31
Follow-up thearpy for Aortic Dissection
Not sure if we have to know this
32
what is the best drug to treat preeclampsia?
4 mg mag sulfate over 30mins then 2gm/hr titration
33
Mag titration?
none can keep giving bolus MAX safe for levels 4.2-8.4 mg/dL
34
Mag sulfate Adverse effects
None until you reach >8.4 mag then watch for respiratory depression, heart attack loss of tendon reflexes CAUTION in kidneys (still can use just monitor)
35
Labetalol vs hydralazie for preeclampsia
Labetalol can be used in pt that have an ACS Hydralazine can be used in pt who have active airway disease and HEFref
36
Which HTN crisis can you use Hydralazine for
only Preclampsia
37
Hydralazine 3 ad and 2 cautions
Reflex tach lupus with >300 grams/day hypotension symptoms X ACS X Aortic Dissection
38
Hydralazine dose
5-20mg/ 4-8hrs or prn with >120 SBP
39
Treatment for ACS HTN crisis
IV Nitroglycerin 10-20mcg/min
40
Nitroglycerin Titration
5-10mcg/min every 5 mins max 200mcg/min
41
What do watch out for with IV nitrate 3 things
Tachyphylaxis like Nitroprusside Rebound Tachycardia right ventricular infarct
42
Acute decomposition heart failure HTN crisis Treatment
Nitroprusside 0.25-.5mcg/min Nitroglycerin 10-20mcg/min
43
Which drug can we use to treat AKI HTN crisis
CHIL Clevedipine 2-4 mg/hr Hydralazine 5-20mg every 4-8 hrs no continuous infusion IV Nicardipine 2-5mg/hr Labetalol Bolus 20mg then 10mg/hr