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Bio 252 > Oct. 30, 2019 > Flashcards

Oct. 30, 2019 Flashcards

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Biology 101 flashcards
1
Q

Where are NATRIURETIC PEPTIDES produced?

A

The HEART

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2
Q

What is NATRIURESIS?

A

Increased excretion of Na in urine

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3
Q

What happens to Na when H20 moves somewhere?

A

Na follows

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4
Q

Are NATRIURETICS dilatory or constricting?

A

VASODILATORY

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5
Q

The overall goal of NATRIURETIC PEPTIDES is to..?

A

Reducing the workload of the HEART

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6
Q

What effect do ENDOTHELINS have on BVs?

A

They cause VASOCON

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7
Q

What effect do ENDOTHELINS have on CARDIAC MUSCLE?

A

They cause CARDIAC HYPERTROPHY

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8
Q

What effect do ENDOTHELINS have on VASCULAR MUSCLE?

A

They cause proliferation

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9
Q

Increased workload on HEART results in..?

A

HYPERTROPHY

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10
Q

When the HEART is working harder, it requires more of what?

A

More o2 and ATP

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11
Q

What kind of failure occurs when the compensatory mechanisms fail?

A

UNCOMPENSATED FAILURE

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12
Q

Mnfts of UNCOM HF

A

There are several, those related to impaired pumping, those from the SNS

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13
Q

Diagnostics for UNCOM HF

A

This is complex

  • Past history
  • ECG
  • Echo
  • Labs
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14
Q

Which labs would you want specifically?

A
  • Anemia
  • Electrolytes
  • Liver Fx
    Abdom organ Fx
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15
Q

Before proceeding w treatment what has to happen?

A

pt needs to be stablized and cause of HF needs to be determined

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16
Q

What meds would you use for SYSTOLIC HF?

A
  • ACEI

- Beta blocker

17
Q

What does the EF generally look like for SYSTOLIC HF?

A

< 40%

18
Q

What is the treatment if EF is equal to or greater than 40%

A
  • First treat cause
  • ACEI
  • Beta blocker
  • Angiotensin 2 receptor blocker if symptoms w activity
  • inc med dose or add diuretic if symptoms at rest
19
Q

Is HF ACUTE or CHRONIC?

A

Can be either

20
Q

Is surgery ever an option for treating HF?

A

Sometimes

Bio 252 (24 decks)

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