Related Experiment Video
Updated: May 1, 2026

08:03
Intracavernosal Pressure Recording to Evaluate Erectile Function in Rodents
Published on: June 6, 2018
14.4K
[Methods for evaluation of penile erection hardness].
Yi-Ming Yuan1, Su Zhou, Kai Zhang
1Department of Urology, The First Hospital of Peking University, Beijing 100034, China.
Zhonghua Nan Ke Xue = National Journal of Andrology
|September 30, 2010
Summary
Penile erection hardness is crucial for sexual activity and diagnosing erectile dysfunction (ED). This review covers factors affecting hardness and evaluates common objective and subjective assessment methods for ED patients.
Area of Science:
- Urology
- Andrology
- Sexual Medicine
Context:
- Penile erection hardness is vital for successful sexual intercourse.
- It serves as a key diagnostic and treatment index for erectile dysfunction (ED).
Purpose:
- To provide an overview of the components and impact factors of erection hardness.
- To summarize and discuss the characteristics of commonly used evaluation methods for erection hardness.
Summary:
- This article reviews factors influencing penile erection hardness.
- It details objective methods like Rigiscan, axial buckling tests, and ultrasonography.
- Subjective patient-reported outcomes, including the International Index of Erectile Function (IIEF), IIEF-Erectile Function (IIEF-EF), and Erection Hardness Score (EHS), are also discussed.
Impact:
- Understanding erection hardness assessment is crucial for accurate ED diagnosis.
- This review aids clinicians in selecting appropriate evaluation tools for patients with ED.
- It highlights the strengths and limitations of various objective and subjective methods.
Related Concept Videos
Assessment of radial pulse
1.9K
Assessment of Radial Pulse
The radial pulse, located at the wrist, is often the preferred site for assessing peripheral pulse because of its accessibility and dependability. The process of determining the radial pulse involves several steps:
The radial pulse, located at the wrist, is often the preferred site for assessing peripheral pulse because of its accessibility and dependability. The process of determining the radial pulse involves several steps:
1.9K
Assessment of blood pressure in brachial artery(two-step method)
2.1K
Measuring blood pressure is a fundamental skill in healthcare that aids in diagnosing and monitoring hypertension and other cardiovascular conditions. An aneroid sphygmomanometer, commonly used in clinical settings, offers a manual and precise method for blood pressure measurement. The technique for using this instrument involves specific steps that must be carefully executed to ensure accuracy. The following detailed description outlines a two-step technique for assessing blood pressure using...
2.1K
Penis
50.8K
The penis serves a dual role in sexual reproduction and urination. It consists of three main regions: the glans penis, the body, and the root, each with distinct functions and unique anatomical features.
Anatomy of the Penis
The glans penis, or the head, is the terminal part of the penis and houses the external urethral orifice, the exit point for urine and semen. Covered by the prepuce, or foreskin, the glans is noted for its sensitivity and plays a key role in sexual pleasure. The body of the...
Anatomy of the Penis
The glans penis, or the head, is the terminal part of the penis and houses the external urethral orifice, the exit point for urine and semen. Covered by the prepuce, or foreskin, the glans is noted for its sensitivity and plays a key role in sexual pleasure. The body of the...
50.8K
Male Sexual Response: Erection & Ejaculation
31.3K
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...
The blood filling the erectile tissues compresses the veins, which helps to prevent blood from leaving...
31.3K
Disorders of the Male Reproductive System
5.2K
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....
Prostate disorders are another major concern. These conditions can impair urinary flow due to the prostate's location around the urethra....
5.2K
Assessment of the Cardiovascular System III: Palpation
1.6K
Palpation involves feeling the body to evaluate texture, size, consistency, and tenderness for assessing cardiovascular health. The following steps are organized in a head-to-toe order:
Jugular Venous Pressure (JVP) Measurement
Position the patient at a thirty- to forty-five-degree angle or in a semi-fowler's position. Look for the highest point of pulsation in the internal jugular vein and measure the vertical distance to the angle of Loius or sternal angle. A normal JVP is 3-4 cm above...
Jugular Venous Pressure (JVP) Measurement
Position the patient at a thirty- to forty-five-degree angle or in a semi-fowler's position. Look for the highest point of pulsation in the internal jugular vein and measure the vertical distance to the angle of Loius or sternal angle. A normal JVP is 3-4 cm above...
1.6K

