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Pulsus Paradoxus - StatPearls - NCBI Bookshelf
https://www.ncbi.nlm.nih.gov/books/NBK482292/
Pulsus paradoxus refers to an exaggerated fall in a patient’s blood pressure during inspiration by greater than 10 mm Hg. Pulsus paradoxus results from alterations in the mechanical forces imposed on the chambers of the heart and pulmonary vasculature often due to pericardial disease, particularly cardiac tamponade and to a lesser degree constrictive …
The Vitals: Pulsus Paradoxus - CriticalCareNow
https://criticalcarenow.com/the-vitals-pulsus-paradoxus/
The key findings in the arterial tracing shown above are the observation of arterial pulsations with diminishing amplitude that correspond with the inspiratory phase of the patient’s respiratory cycle; this is characteristic of pulsus paradoxus, a clinical finding that is defined by an exaggerated drop in systolic blood pressure of 10 mmHg or more during inspiration.
Pulsus Paradoxus and Blood Pressure Measurement …
https://stanfordmedicine25.stanford.edu/the25/bppp.html
Pulsus paradoxus is a very sensitive and valuable tool to diagnosis or ruling out cardiac tamponade. Blood pressure is an important vital sign. Measurement errors are common so it is important to understand factors that affects results.
Paradoxical Pulse - an overview | ScienceDirect Topics
https://www.sciencedirect.com/topics/nursing-and-health-professions/paradoxical-pulse
Generally referred to as pulsus paradoxus, on arterial line tracing one may see first subtle, then dramatic respiratory variation in the systolic pressure (> 10 mm Hg difference between expiration and inspiration). In a patient who does not have an endotracheal tube in place, as venous return increases to the right side of the heart with negative intrathoracic pressure during inspiration, …
Pulsus Paradoxus • LITFL • CCC Differential Diagnosis
https://litfl.com/pulsus-paradoxus/
Pulsus paradoxus is defined as an inspiratory drop in blood pressure of 10mmHg or more during normal breathing. Causes. pericardial tamponade; acute asthma; massive pulmonary embolism; constrictive pericarditis; hypovolaemia (especially during positive pressure ventilation) References and Links. LITFL. Cardiovascular Curveball 006 — The ...
Pericardial tamponade - EMCrit Project
https://emcrit.org/ibcc/tamponade/
three methods to measure the pulsus paradoxus (1) Examine the arterial line tracing over several respiratory cycles. This is the most accurate way to measure the pulsus. Decreasing the sweep speed on the monitor allows for observing the blood pressure during several respiratory cycles.
ATS Quick Hits - American Thoracic Society
https://www.thoracic.org/professionals/clinical-resources/quick-hits/pulsus-paradoxus-in-high-risk-pe-on-positive-pressure-ventilation.php
The arterial waveform exhibits a significant reduction in systolic blood pressure with inspiration, a finding known as pulsus paradoxus. Findings of pulsus paradoxus on arterial line waveform should prompt rapid assessment of potential causes, which may include cardiac tamponade, pulmonary embolism, severe acute asthma, exacerbations of chronic obstructive pulmonary …
Paradoxical Pulse - PSNet
https://psnet.ahrq.gov/web-mm/paradoxical-pulse
They also might have followed for pulsus paradoxus by using an arterial line tracing, or even by using continuous pulse oximetry, which will pick up respirophasic changes in the pulse waveform. Thus the clinicians in this case also fell prey to another heuristic of "blind obedience" to technology; a reassuring echocardiogram at a single point in time made them …
Cardiac tamponade | Deranged Physiology
https://derangedphysiology.com/main/required-reading/cardiac-arrest-and-resuscitation/Chapter%20221/cardiac-tamponade
Invasive arterial pressure trace: that's the classical ICU technique of demonstrating pulsus paradoxus, and is colloquially described as a "swing" of the arterial line. Palpation of the radial pulse: the disappearance of the radial pulse on …
Pulsus Alternans - StatPearls - NCBI Bookshelf
https://www.ncbi.nlm.nih.gov/books/NBK557642/
Pulsus alternans is an arterial pulse with alternating strong and weak beats. It is found in the setting of severe ventricular dysfunction and other forms of cardiac pathology. The treatment and clinical outcomes for pulsus alternans vary depending upon the underlying causative etiology, though its presence generally suggests a poor prognostic outlook.
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