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Flashcards in erectile dysfunction Deck (16):
1

wha is the neurotransmitter responsible for initiating and sustaining and erection?

nitric oxide

2

what is a key messenger in the erection prociess?

cyclic GMP, broken down by PDE

3

how do you diagnose psychogenic ED?

+ nocturnal/morning erections

4

how can you tell if you have organic ED?

no nocturnal erection

5

definition of erectile dysfunction?

inability to attain or maintain

6

what can cause organic ED?

marijuana, alcohol, tobacco

7

what disease can lead to erectile dysfunction that we learned about?

peyronies

8

what test can be used to differentiate between organic and psychogenic ED?

nocturnal penile tumescence testing

9

how can you rule out vascular system as the cause for ED?

trial of PDE-5 inhibitors or injections of vasocactive substances PGE1)

10

what additional vascualr tests may be used if a person fails the vasoactive injection tests?

duplex doppler u/s
penile cavernosography
pudendal arteriography

11

what do you have to worry about w/ PDE-5 inhibitors?

hypotension w/ patiens on alpha blockers for lower urinary tract symptoms

12

what medications contraindicate the use of PDE-5 inhibitors?

nitro and nitrates

13

how long before sex do you have to take sildenafil and vardenafil?

1 hr before sex effective up to 4 hours

14

what is tadalafil good for?

BPH w/ ED onset w/in 30-60 min lasts 36 hrs

15

what can be taken 15 min before sex?

avanafil

16

alprostadil increases relaxation and vasodilation through cAMP, how is it administered?

injection or urethral suppostiory