Drug used in Ischemic heart Disease Flashcards

1
Q

Cardiovascular disease

CVDs are the number ____ cause of death globally.

A

1

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2
Q

more people die annually from CVDs than from any other cause.

T/F

A

T

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3
Q

An estimated 17.5 million people died from CVDs in 2012, representing 31% of all global deaths.
By 2030, 23.6 million people will probably die of CVD.
Most of the death will occur in ____________-income countries.

A

low- and middle

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4
Q

In Nigeria, Prevalence of HTN is about ___%.

A

35

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5
Q

HTN is a major risk factor for CVD.

T/F

A

T

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6
Q

ANGINA PECTORIS

Angina pectoris refers to a strangling or pressure like pain caused by ________

A

cardiac ischaemia.

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7
Q

Angina

It’s a _____ syndrome due to induction of an adverse oxygen supply / demand situation in portion of myocardium.

A

pain

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8
Q

Drugs used to treat angina exploit two main strategies:

reduction of _______ and

increase of the ___________

A

oxygen demand

oxygen delivery to myocardium.

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9
Q

Three types of anginal attack: ______ angina, ______ angina and ______ angina.

A

stable; unstable; variant

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10
Q

Drugs Used in Angina

______ are the 1st-line drugs , leading to ___________, especially in the ______ by acting on vascular smooth muscle that involves the formation of _____ and [______]cyto.

A

Nitrates

peripheral vasodilation; veins

NO; cGMP

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11
Q

Nitrates

Short-acting nitrates:

_____________(GTN)

A

Glycerol trinitrate

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12
Q

Nitrates
Short-acting nitrates:

Glycerol trinitrate (GTN) (sl, _____, or ______) acts for ~ ______

-More useful in _________ than in ___________

A

tablet; spray

30 min.

preventing attacks; stopping them once they have begun.

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13
Q

Nitrates
Short-acting nitrates:
Glycerol trinitrate (GTN)

-Patches (transdermal) have (shorter or longer?) duration of action (~____).

A

Longer

24 hr

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14
Q

Nitrates

Long-acting nitrates:

are (more or less?) stable and effective for ________

A

More

several hr.

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15
Q

Nitrates
Long-acting nitrates:

___________ is widely used, but _____________

A

Isosorbide dinitrate; metabolized rapidly by liver.

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16
Q

Nitrates
Long-acting nitrates:

Isosorbide dinitrate:

____________ (active metabolite) of dinitrate avoids the ________ and unpredictable ________ of the dinitrate.

A

Isosorbide mononitrate

variable absorption

1st pass metabolism

17
Q

Nitrates- Adverse effects:

___________ leading to headaches, hypotension and fainting, and in severe cases, reflex tachycardia.

  • Can be counteracted with ______
  • Prolonged high doses can lead to __________.
A

Aterial dilation

β-blockers.

methemaglobinemia

18
Q

Nitrates- Adverse effects:

Mechamism of action: Starts with _____________

A

formation of nitrite ions

19
Q

Nitrates

Tolerance to nitrates rarely occurs

Tolerance to nitrates is poorly understood.

A

F (Tolerance to nitrates occurs regularly),

T(Tolerance to nitrates is poorly understood)

20
Q

Nitrates

In Tolerance to nitrates

perhaps depletion of _________ group donors may be involved, because
tolerance to nitrates in vitro can sometimes be reversed by ____________. -

A

sulphydral

N-acetylcysteine

21
Q

Nitrates

__________ formed from NO inhibits ______ formation from GTP.

A

Peroxynitrite

22
Q

All β-blockers must be avoided in asthmatics

T/F

With reason

A

T

as they may precipitate bronchospasms.

23
Q

Beta blockers are used as angina prophylaxis

T/F

A

T