Erectile Dysfunction Flashcards

1
Q

Mechanism of erection:

What chemical is released?

What relaxes allowing for engorgement?

A

Nitric oxide (NO)

Vascular and trabecular smooth muscle cells

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2
Q

What are the 3 big causes?

A

Smoking
Alcohol
Diabetes (reduces NO + autonomic neuropathy)

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3
Q

Endocrine causes - 3

A

Hypogonadism
Hyperthyroidism
Hyperprolactinaemia

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4
Q

Neurological causes - 3

A

Cord lesions
MS
Autonomic neuropathy

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5
Q

Drug causes - 6

A
Digoxin 
Beta-blockera
Diuretics
Antipsychotics 
Antidepressants 
Oestrogen
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6
Q

Treatment:

PD5 inhibitors are used:

  • What does it stand for?
  • MOA?

What other drug can be taken before sex?

A

Phosphodiesterase inhibitors

They increase cGMP

Viagra

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