Search results
Results from the WOW.Com Content Network
A patient and doctor discuss congenital insensitivity to pain. For people with this disorder, cognition and sensation are otherwise normal; for instance, patients can still feel discriminative touch (though not always temperature [3]), and there are generally no detectable physical abnormalities.
Since people with this condition are unable to sweat, they are unable to properly regulate their body temperature. [1] Those affected are unable to feel pain and temperature. [2] [3] The absence of pain experienced by people with CIPA puts them at high risk for accidental self-injury. Corneal ulceration occurs due to lack of protective impulses ...
Individuals experiencing angina characterize the pain in different ways, but the pain is usually described as crushing, squeezing, or burning. [7] Symptoms may worsen over the course of several minutes. [4] Typical angina is aggravated by physical activity or emotional stress and is relieved by rest or nitroglycerin. [4]
Vascular resistance is the resistance that must be overcome for blood to flow through the circulatory system.The resistance offered by the systemic circulation is known as the systemic vascular resistance or may sometimes be called by another term total peripheral resistance, while the resistance caused by the pulmonary circulation is known as the pulmonary vascular resistance.
' pain receptor ') is a sensory neuron that responds to damaging or potentially damaging stimuli by sending "possible threat" signals [1] [2] [3] to the spinal cord and the brain. The brain creates the sensation of pain to direct attention to the body part, so the threat can be mitigated; this process is called nociception.
Also known as 'effort angina', this refers to the classic type of angina related to myocardial ischemia.A typical presentation of stable angina is that of chest discomfort and associated symptoms precipitated by some activity (running, walking, etc.) with minimal or non-existent symptoms at rest or after administration of sublingual nitroglycerin. [11]
Noradrenaline and adrenaline have effects on alpha and beta adrenergic receptors. Other hormones (catecholamine, renin-angiotensin, vasopressin, and atrial natriuretic peptide) circulate in the bloodstream and can have an effect on the microcirculation causing vasodilation or vasoconstriction. Many hormones and neuropeptides are released ...
Visceral pain should be suspected when vague midline sensations of malaise are reported by a patient. True visceral pain is characterized as a vague, diffuse, and poorly defined sensation. [9] [10] Regardless of specific organ of origin, the pain is usually perceived in the midline spanning anywhere from the lower abdomen up to the chest. In ...