Erectile Dysfunction (ED)

International Index of Erectile Dysfunction

• Scoring tool to assess severity of erectile dysfunction

Canadian Uroloigcal Assocation Guidelines

• Overview of management of erectile dysfunction 

1. What is the primary mechanism responsible for a penile erection? 

a) Decreased blood flow to the corpus cavernosa 

b) Release of nitric oxide and increased cyclic GMP 

c) Increased venous outflow

d) Constriction of vascular smooth muscle

2. Which of the following medications is the LEAST likely culprit for causing ED? 

a) Sertraline

b) Dutasteride

c) Bupropion

d) Phenytoin

3. The following are signs/symptoms consistent with erectile dysfunction EXCEPT? 

a) Difficulty maintaining erection  

b) Unable to attain an erection 

c) Premature ejaculation 

d) All the above are signs/symptoms consistent with erectile dysfunction

4. Which of the following is NOT a risk factor for erectile dysfunction? 

a) Obesity 

b) Bicycle riding for >3 hours per week 

c) Chronic hypotension 

d) Diabetes 

5. The following are reasons to not initiate erectile dysfunction medications EXCEPT? 

a) Unstable angina 

b) Previous MI 1 year ago 

c) NYDA class 3 heart failure  

d) All are reasons to delay treatment 

6. Which PDE5 inhibitor lasts up to 36 hours? 

a) Tadalafil 

b) Sildenafil 

c) Vardenafil 

d) None of the above