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The zones of the lung divide the lung into four vertical regions, based upon the relationship between the pressure in the alveoli (PA), in the arteries (Pa), in the veins (Pv) and the pulmonary interstitial pressure (Pi): Zone 1: PA > Pa > Pv. Zone 2: Pa > PA > Pv. Zone 3: Pa > Pv > PA.
Twilight anesthesia. Patient and doctor describing state of consciousness similar to "twilight anesthesia". Twilight anesthesia is an anesthetic technique where a mild dose of sedation is applied to induce anxiolysis (anxiety relief), hypnosis, and anterograde amnesia (inability to form new memories). The patient is not unconscious, but sedated.
Mallampati score. In anesthesia, the Mallampati score or Mallampati classification, named after the Indian anaesthesiologist Seshagiri Mallampati, is used to predict the ease of endotracheal intubation. [ 1] The test comprises a visual assessment of the distance from the tongue base to the roof of the mouth, and therefore the amount of space in ...
Many local anesthetics fall into two general chemical classes, amino esters (top) and amino amides (bottom). A local anesthetic (LA) is a medication that causes absence of all sensation (including pain) in a specific body part without loss of consciousness, [1] providing local anesthesia, as opposed to a general anesthetic, which eliminates all sensation in the entire body and causes ...
General anaesthesia. General anaesthesia (UK) or general anesthesia (US) is a method of medically inducing loss of consciousness that renders a patient unarousable even with painful stimuli. [ 5] This effect is achieved by administering either intravenous or inhalational general anaesthetic medications, which often act in combination with an ...
The REBOA device is then positioned either within Zone 1 (descending thoracic aorta) or Zone 3 (infrarenal abdominal aorta) before the occluding balloon is inflated with saline. [1] Upon successful definitive hemorrhage control, the occluding balloon is slowly deflated and the patient is monitored for recurrent bleeding or metabolic derangement ...
D000771. [ edit on Wikidata] Intravenous regional anesthesia (IVRA) or Bier's block anesthesia is an anesthetic technique on the body's extremities where a local anesthetic is injected intravenously and isolated from circulation in a target area. The technique usually involves exsanguination of the target region, which forces blood out of the ...
Inhalational anesthetic. Bottles of sevoflurane, isoflurane, enflurane, and desflurane, the common fluorinated ether anesthetics used in clinical practice. These agents are colour-coded for safety purposes. Note the special fitting for desflurane, which boils at room temperature. An inhalational anesthetic is a chemical compound possessing ...
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