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A one-way valve used in chest tube drainage systems that allows fluids or gases to flow out of the chest, but does not let them reenter the bodySynonym: Heimlich flutter valve; Heimlich valve
See also: valve
a rapid vibration or pulsation.
cardiac arrhythmia in which the atrial contractions are rapid (200-320 per minute), but regular.
peculiar wavelike fibrillations of the diaphragm of unknown cause. See also synchronous diaphragmatic flutter.
atrial flutter in which the atrial rhythm is irregular.
abnormal mobility of the mediastinum during respiration.
atrial flutter in which the atrial rhythm is regular.
in an intravenous infusion apparatus, a floating bead in the fluid chamber that allows air to enter the system but prevents fluid from escaping. Its movement is often viewed as an indicator of the speed of fluid infusion, but it is inaccurate.
a possible transition stage between ventricular tachycardia and ventricular fibrillation, the electrocardiogram showing rapid, uniform, and virtually regular oscillations, 250 or more per minute.