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Procedural sedation and analgesia (PSA) is a technique in which a sedating/dissociative medication is given, usually along with an analgesic medication, in order to perform non-surgical procedures on a patient. The overall goal is to induce a decreased level of consciousness while maintaining the patient's ability to breathe on their own.
Conscious sedation and monitored anesthesia care (MAC) refer to an awareness somewhere in the middle of the spectrum, depending on the degree to which a patient is sedated. Monitored anesthesia care involves titration of local anesthesia along with sedation and analgesia. [18] Awareness/wakefulness does not necessarily imply pain or discomfort.
This level, called moderate sedation/analgesia or conscious sedation, causes a drug induced depression of consciousness during which the patient responds purposefully to verbal commands, either alone or accompanied with light physical stimulation. Breathing tubes are not required for this type of anesthesia. This is twilight anesthesia. [2]
Sedation scales are used in medical situations in conjunction with a medical history in assessing the applicable degree of sedation in patients in order to avoid under-sedation (the patient risks experiencing pain or distress) and over-sedation (the patient risks side effects such as suppression of breathing, which might lead to death).
Sedation suppresses the central nervous system to a lesser degree, inhibiting both anxiety and creation of long-term memories without resulting in unconsciousness. Regional and local anesthesia block transmission of nerve impulses from a specific part of the body. Depending on the situation, this may be used either on its own (in which case the ...
Depending on the procedure to be undertaken, blocking transmission of nociception (autonomic nervous system responses to noxious stimuli and its cardiac and hemodynamic effects – even in the absence of conscious pain perception), may be the aim of analgesia. Amnesia – induced through an altered state of consciousness – may be adequate or ...
Procedural memories are accessed and used without the need for conscious control or attention. Procedural memory is created through procedural learning, or repeating a complex activity over and over again until all of the relevant neural systems work together to automatically produce the activity. Implicit procedural learning is essential for ...
The Current Procedural Terminology (CPT) ... (99143–99150) moderate (conscious) sedation; Codes for surgery: 10000–69990 (10000–10022) general