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Hypoesthesia or numbness is a common side effect of various medical conditions that manifests as a reduced sense of touch or sensation, or a partial loss of sensitivity to sensory stimuli. In everyday speech this is generally referred to as numbness. [1]
Paresthesia, also known as pins and needles, is an abnormal sensation of the skin (tingling, pricking, chilling, burning, numbness) with no apparent physical cause. [1] Paresthesia may be transient or chronic, and may have many possible underlying causes. [ 1 ]
Sensory loss can occur due to a minor nick or lesion on the spinal cord which creates a problem within the neurosystem. This can lead to loss of smell, taste, touch, sight, and hearing. In most cases it often leads to issues with touch. Sometimes people cannot feel touch at all while other times a light finger tap feels like someone has punched ...
Ulnar neuropathy at the cubital tunnel is diagnosed based on characteristic symptoms and signs. Intermittent or static numbness in the small finger and ulnar half of the ring finger, weakness or atrophy of the first dorsal interosseous, positive Tinel sign over the ulnar nerve proximal to the cubital tunnel, and positive elbow flexion test (elicitation of paresthesia in the small and ring ...
The number of tactile corpuscles per square millimeter of human skin on the fingertips drops fourfold [clarification needed] between the ages of 12 and 50. The rate at which they are lost correlates well with the age-related loss in touch sensitivity for small probes. [11] [clarification needed]
Different areas of the body have receptive fields of different sizes, giving some better resolution in two-point discrimination. Areas including the fingertips, lips, and tongue have very high resolution, and therefore are the most sensitive. Other areas like the forearms, calves, and back are the least sensitive.
The doctors and nurses didn’t believe Tomisa Starr was having trouble breathing. Two years ago, Starr, 61, of Sacramento, California, was in the hospital for a spike in her blood pressure.
Dysesthesia may be caused by a thalamic stroke involving the ventral postero-lateral (VPL) nucleus. It's typically seen in Dejerine-Roussy syndrome with hemi-sensory loss and severe dysesthesia of the affected area. Fibromyalgia may cause dysesthesia in all areas of the body, but mostly the extremities. [medical citation needed]