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Venous leak is an inability to maintain an erection in the presence of sufficient arterial blood flow through the cavernosal arteries of the penis. [6] The defect lies in the excessive drainage of veins in the cavernosal tissue of the penis, which undermines normal erectile function.
The diagnosis is often based on the history of the condition as well as a physical exam. [3] Blood gas testing the blood from the cavernosa of the penis can help in the diagnosis. [3] If the low-flow type of priapism is present, the blood typically has a low pH, while if the high-flow type is present, the pH is typically normal. [3]
When a large amount of blood flows to the genital region, the penis becomes erect and the testicles also experience increased blood flow and swelling. [4] In the vulva, the blood flow increases in erectile tissue, causing it to expand. After orgasm, the tissue shrinks back to its initial size as most of the blood leaves.
Erectile tissue is tissue in the body with numerous vascular spaces, or cavernous tissue, that may become engorged with blood. [1] [2] However, tissue that is devoid of or otherwise lacking erectile tissue (such as the labia minora, vestibule, vagina and urethra) may also be described as engorging with blood, often with regard to sexual arousal ...
“In many cases, ED is primarily a blood flow issue,” Dr. Jagan Kansal, a urologist and founder of Down There Urology, a center for men’s sexual health and male fertility, tells Yahoo Life ...
The tumescent sexual organ in males is the penis and in females is the clitoris and other parts of the genitalia like the vestibular bulbs. Arteries in the penis dilate to increase blood volume. [2] Detumescence is the reversal of this process, by which blood leaves the erectile tissue, returning the erectile tissue to the flaccid state. [3]
Sildenafil, tadalafil and other treatments for ED all belong to a class of medications called phosphodiesterase type 5 or PDE5 inhibitors, which dilate the blood vessels that supply blood to the ...
Most FDA-approved prescription-only medications have a clearly understood mechanism of action for increasing blood flow to the privates. Currently, there are four FDA-approved prescription oral drugs.
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