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Physiology > Cardiac Physiology > Flashcards

Cardiac Physiology Flashcards

1
Q

Effects of Aldosterone

A

Vasoconstriction
Increase Sodium and Water reabsorption
Increase Hydrogen ion and Potassium secretion

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2
Q

Adenosine

Vasoconstrictor or Vasodilator

A

BOTH
•Systemic Vasodilator
•Vasoconstrictor in the Afferent arteriole (Tubuloglomerular Feedback)

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3
Q

Most potent vasoconstrictor?

A

Vasopressin

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4
Q

Vasoconstrictors

A
  • Vasopressin
  • Serotonin
  • Endothelin
  • PGF
  • Thromboxane A2
  • NE Epi
  • Angiotensin II
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5
Q

Vasodilators

A 
Prostaglandin I2/ Prostacyclin
NO 
PGE
Lactate Adenosine
Bradikinin Histamine
ANP
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6
Q

High output cardiac failure

A

Beriberi
Anemia
Hyperthyroidism
AV Fistula

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7
Q

Functions of Angiotensin II

A 
Local vasoconstrictor Efferent >Afferent
Increase TPR
Stimulates Thirst
Stimulates ADH secretion
Stimulates Aldosterone, Cortisol, Epi/Norepi secretion
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Physiology (6 decks)

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