Maternal hypotension—A common physiological effect of epidural and spinal anesthesia is hypotension, primarily due to blockade and SNS, leading to arterial and venous vasodilation with subsequent 'functional' hypovolemia increase.
What is Anesthesia?
Anesthesia is a controlled temporary loss of sensation or consciousness induced for medical purposes may include some or all of analgesia (reduction or prevention of pain), paralysis (relaxation of muscles), amnesia (loss of memory), and loss of consciousness. A person under the influence of an anesthetic is said to be anesthetized. Anesthesia can be used to painlessly perform procedures that cause severe or excruciating pain in the unanesthetized person or are otherwise technically infeasible.
Broadly speaking, he has three categories of anesthetics.
- General anesthesia suppresses central nervous system activity and uses injections or inhalants to cause loss of consciousness and complete paralysis.
- Sedation suppresses the central nervous system to some extent, suppressing anxiety and long-term memory formation without loss of consciousness.
- Local and regional anesthesia that blocks the transmission of nerve impulses from certain parts of the body. Depending on the situation, it can be used alone (where the person remains fully conscious) or in combination with general anesthesia or sedation. Drugs can target peripheral nerves and paralyze isolated parts of the body. For example, numbing a tooth for dental work or using a nerve block to cut off sensation in an entire limb. Alternatively, epidural and spinal anesthesia can be applied to areas of the central nervous system itself to suppress incoming sensations from nerves that supply areas of obstruction.
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