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In a pericardial hemorrhage, the external sac covering the heart -- called the pericardium -- fills with blood. This causes external pressure on the heart, which prevents it from pumping properly. The probability of complications can be reduced by using a narrow gauge of needle.
This places the heart in proximity to the chest wall for easier insertion of the needle into the pericardial sac. [ 5 ] [ 7 ] For patients that are awake, a local anaesthetic is applied. [ 8 ] A large needle is inserted through the skin of the chest into the pericardium, and the practitioner aspirates the pericardial effusion into a syringe . [ 6 ]
Pulmonary aspiration is the entry of solid or liquid material such as pharyngeal secretions, food, drink, or stomach contents from the oropharynx or gastrointestinal tract, into the trachea and lungs. [1] When pulmonary aspiration occurs during eating and drinking, the aspirated material is often colloquially referred to as "going down the ...
This procedure is used where general anesthesia must be induced before the patient has had time to fast long enough to empty the stomach; where the patient has a condition that makes aspiration more likely during induction of anesthesia, regardless of how long they have fasted (such as gastroesophageal reflux disease or advanced pregnancy); or where the patient has become unable to protect ...
Aspiration, the inhalation of fluid while drinking, a common symptom of dysphagia. Aspiration, the practice of pulling back on the plunger of a syringe prior to injecting medication. Aspiration pneumonia, a lung infection caused by pulmonary aspiration; Aspiration thrombectomy, embolectomy where a thrombus is removed by suction; Bone marrow ...
Aspiration pneumonia most often develops due to micro-aspiration of saliva, or bacteria carried on food and liquids, in combination with impaired host immune function. [30] Chronic inflammation of the lungs is a key feature in aspiration pneumonia in elderly nursing home residents and presents as a sporadic fever (one day per week for several ...
Hemopericardium is a condition that affects the cardiovascular system. It typically begins with blood accumulating in the pericardial sac posterior to the heart, and eventually expands to surround the entire heart. [6] The fluid build-up then causes pressure within the pericardial sac to increase.
This is the only intramuscular injection site for which aspiration is recommended of the syringe before injection, due to higher likelihood of accidental intravenous administration in this area. [12] However, aspiration is not recommended by the Centers for Disease Control and Prevention, which considers it outdated for any intramuscular injection.
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