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Seal finger was first described scientifically in 1907. [4] [5] It can cause cellulitis, joint inflammation, and swelling of the bone marrow; untreated, the course of "seal finger" is slow and results often in thickened contracted joint. [3] Historically, seal finger was treated by amputation of the affected digits once they became unusable.
There are around 400,000 grey seals worldwide, with about 120,000 living off the coast of Britain. ‘Seal finger’ warning over infection if bitten by sea mammal Skip to main content
Seal finger is caused by the necrotic bacteria on their teeth [PA Media] People who get too close to a seal are at risk of a "nasty" blood infection linked to the creature if they get bitten ...
Swelling can also signal something more serious; some people with psoriasis get psoriatic arthritis, which can cause finger swelling; people who have had lymph nodes removed can also have a ...
The seal between the nail and finger acts as a physical barrier to prevent infection, however hyper-hydration or destruction of the epidermis can impair the barrier, allowing the bacteria to colonise. [medical citation needed] The nail turns green due to the bacteria secreting pigments such as pyocyanin [3] [4] and pyoverdin. [9]
While it can look unsightly - the finger turns shades of purple and red and can swell, the condition resolves by itself. Paroxysmal hand hematoma is a skin condition characterized by spontaneous focal hemorrhage into the palm or the volar surface of a finger, which results in transitory localized pain, followed by rapid swelling and localized ...
In Dupuytren's contracture, the palmar fascia within the hand becomes abnormally thick, which can cause the fingers to curl and can impair finger function. The main function of the palmar fascia is to increase grip strength; thus, over time, Dupuytren's contracture decreases a person's ability to hold objects and use the hand in many different ...
It has also been called depth intoxication, “narks,” and rapture of the deep. It can cause a decrease in the diver's ability to make judgements or calculations. It can also decrease motor skills, and worsen performance in tasks requiring manual dexterity. [10] As depth increases, so does the pressure and hence the severity of the narcosis.