Erectile Dysfunction Flashcards
1
Q
Definition ED
A
Consistent and recurrent inability to attain penile erection
2
Q
Causes of ED?
A
Psychogenic
Hormonal
Vascular
Neurogenic
3
Q
What investigations should be done?
A
*cardiovascular risk** assess and educate sexual hx Testosterone if low libido Glucose and HBa1c Endocrine tests (prolactin, LH, TSH)
4
Q
Mechanism of action of viagra?
A
Brain sitmulates nerves, which stimulate nitric oxide production
Leads to an increase in cyclic GMP which relaxes the arteries
Viagra inhibits phosphodiesterase 5 which increases CGMP so more blood flow
5
Q
Contraindications to viagra use?
A
Use of other nitrates of any sort- could suddenly drop blood pressure
Unstable cardiac disease
Poor exercise tolerance
Side effects: flushing, nasal congestion, changes in colour vision
6
Q
Innervation of penis
A
S234 keeps your penis off the floor
L1L2 helps you shoo the goo
