Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Disorders of the Male Reproductive System01:20

Disorders of the Male Reproductive System

Men's health issues are increasingly recognized as significant, with several conditions posing common threats. Among these, testicular cancer is especially prevalent in younger men, particularly those aged 20 to 35 years. The disease often manifests as a painless mass in the testicles, sometimes accompanied by a sensation of heaviness or a dull ache.
Prostate disorders are another major concern. These conditions can impair urinary flow due to the prostate's location around the urethra. Symptoms...
Male Sexual Response: Erection & Ejaculation01:17

Male Sexual Response: Erection & Ejaculation

Sexual stimulation can take various forms, such as physical touch and visual or auditory cues. When this happens, the parasympathetic reflex in the sacral portion of the spinal cord is activated. This reflex stimulates the release of nitric oxide (NO), which then dilates the arterioles in the penis, increasing blood flow to the erectile tissues - the corpora cavernosa and corpus spongiosum.
The blood filling the erectile tissues compresses the veins, which helps to prevent blood from leaving...
Treatment for Pulmonary Arterial Hypertension: Phosphodiesterase Inhibitors01:28

Treatment for Pulmonary Arterial Hypertension: Phosphodiesterase Inhibitors

Phosphodiesterase 5 (PDE5) inhibitors are potent enzymes that function to hydrolyze cyclic nucleotides to their corresponding 5' monophosphates. Their unique biochemical properties have been applied in treating Pulmonary Arterial Hypertension (PAH).
Among the PDE5 inhibitors, sildenafil (Revatio) stands out as a competitive and selective inhibitor. It operates by elevating cellular levels of cGMP and augmenting signaling through the cGMP-PKG pathway, promoting vasodilation. Upon oral...
Dysrhythmias V: Evaluating Dysrhythmias01:30

Dysrhythmias V: Evaluating Dysrhythmias

Dysrhythmias, also known as arrhythmias, are disturbances in the heart's rhythm that range from benign to life-threatening. A thorough evaluation is crucial for appropriate management and involves a comprehensive medical history, physical examination, and various diagnostic tests.Medical HistorySymptoms: Collect detailed information on palpitations, dizziness, syncope, chest pain, and fatigue. Note their onset, frequency, and triggers.Previous Cardiac Issues: Document any history of heart...
Infertility in Males01:23

Infertility in Males

Male infertility affects millions of couples worldwide, arising from various factors that impact different stages of the reproductive process. An endocrine imbalance resulting from conditions like hypogonadism, Klinefelter syndrome, or pituitary disorders can disrupt hormone levels and reduce sperm production. Testicular defects, such as tumors, cryptorchidism, atrophic testes, abnormal sperm morphology, and low sperm count or motility, may arise due to genetic factors, structural...
Hypertension III: Clinical Manifestations and Diagnostic Studies01:30

Hypertension III: Clinical Manifestations and Diagnostic Studies

Hypertension is asymptomatic and also referred to as the "silent killer" until it progresses to a severe stage or causes target organ disease. Patients may experience symptoms stemming from the strain on blood vessels and tissues in various organs or the heart's increased workload.Physical exams might show no abnormalities other than high blood pressure. Signs of vascular damage, when present, correspond to the organs supplied by the affected vessels, leading to target organ damage. For...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

First international conference on the management of erectile dysfunction. Overview consensus statement.

International journal of impotence research·2000
Same author

Diagnostic evaluation of erectile dysfunction in the era of oral therapy.

International journal of impotence research·2000
Same author

Evaluation and nonsurgical management of erectile dysfunction.

The Urologic clinics of North America·1999
Same author

Does natural erectile function improve following intracavernous injections of vasoactive drugs?

International journal of impotence research·1998
Same author

Reproductive urology.

The Journal of urology·1997
Same author

Can self-injection therapy cure impotence?

Advances in experimental medicine and biology·1997

Related Experiment Video

Updated: Jun 21, 2026

Treatment Model for Young Patients with Psychogenic Erectile Dysfunction and Resultant Infertility
04:22

Treatment Model for Young Patients with Psychogenic Erectile Dysfunction and Resultant Infertility

Published on: May 30, 2025

Diagnosing erectile dysfunction.

I D Sharlip1

  • 1department of urology, University of California, San Francisco, USA.

Postgraduate Medicine
|August 12, 2009
PubMed
Summary
This summary is machine-generated.

This guide simplifies evaluating common erectile dysfunction (ED) cases in men over 50. It details straightforward clinical assessments and outlines when specialist referral is needed for complex ED.

Related Experiment Videos

Last Updated: Jun 21, 2026

Treatment Model for Young Patients with Psychogenic Erectile Dysfunction and Resultant Infertility
04:22

Treatment Model for Young Patients with Psychogenic Erectile Dysfunction and Resultant Infertility

Published on: May 30, 2025

Area of Science:

  • Urology
  • Andrology
  • Men's Health

Background:

  • Erectile dysfunction (ED) affects over 50% of men, often presenting with a consistent demographic and medical profile.
  • Patients typically aged 50+, in stable relationships, experiencing gradual erectile impairment for over a year.

Purpose of the Study:

  • To provide a practical approach for evaluating common erectile dysfunction (ED) cases.
  • To offer guidelines for assessing patients with atypical ED presentations.
  • To identify criteria for specialist referral in complex ED cases.

Main Methods:

  • Standardized clinical evaluation including a three-part history.
  • Physical examination tailored to ED assessment.
  • Basic laboratory testing to identify underlying causes.

Main Results:

  • A straightforward evaluation protocol is effective for over 50% of ED patients.
  • Guidelines are provided for managing patients outside the standard profile.
  • Clear indications for specialist consultation are delineated.

Conclusions:

  • A systematic approach simplifies ED evaluation for the majority of patients.
  • Tailored guidelines ensure appropriate management for diverse ED presentations.
  • Recognizing the need for specialist referral optimizes patient outcomes in complex ED.