Hypotension Assessment
Hypotension Assessment - Related Videos
08:45
Echocardiographic Assessment Using Subxiphoid-Only Examination for Hypotensive Patients
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2025
The protocol here provides a rapid, phenotype-based approach for focused ultrasound evaluation of the hypotensive patient, using subcostal images of the inferior vena cava and heart, with additional views of the upper lungs and pleural spaces.
09:29
2-Vessel Occlusion/Hypotension: A Rat Model of Global Brain Ischemia
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Cited by 35 •
2013
Bilateral carotid occlusion coupled with systemic hypotension produces global brain ischemia in the rat, resulting in damage to the hippocampus with reproducible severity. Animal subjects are impaired with predictable patterns of brain damage, they recover expediently, and mortality rates are comparatively low.
10:48
Assessing Myogenic Response and Vasoactivity In Resistance Mesenteric Arteries Using Pressure Myography
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Cited by 24 •
2015
Pressure myography is used to assess vasoactivity of small arteries that develop sustained constriction when pressurized. This manuscript provides a detailed protocol to assess in isolated segments of small mesenteric arteries from rats, vasoactivity and the effect of intraluminal pressure on vascular diameter.
08:36
Neurotoxicity Assessment in Adult Danio rerio using a Battery of Behavioral Tests in a Single Tank
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Cited by 3 •
2023
Here, we present a comprehensive behavioral test battery, including the novel tank, Shoaling, and social preference tests, to effectively determine the potential neurotoxic effects of chemicals (e.g., methamphetamine and glyphosate) on adult zebrafish using a single tank. This method is relevant to neurotoxicity and environmental research.
06:50
Systematic Assessment of Well-Being in Mice for Procedures Using General Anesthesia
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Cited by 25 •
2018
We developed a protocol to assess well-being in mice during procedures using general anesthesia. A series of behavioral parameters indicating levels of well-being as well as glucocorticoid metabolites were analyzed. The protocol can serve as a general aid to estimate the degree of severity in a scientific, animal-centered manner.
FAQs
A low blood pressure value matters most when it is associated with reduced tissue perfusion, meaning tissues may not receive adequate circulation. Assessment therefore considers more than the numerical reading alone. Symptoms and related findings help indicate whether the pressure represents clinically significant circulatory dysfunction or a variation without evident physiological consequences.
The assessment combines repeated blood pressure measurements with symptoms, heart rate, hydration status, and posture. Consistency across readings and the presence of related findings provide context for interpreting an unusually low value. This broader evaluation helps separate normal biological variation from patterns that may indicate impaired circulation or an underlying condition.
Orthostatic assessment examines how blood pressure changes when a person moves from lying down to standing. A fall of at least 20 mmHg systolic or 10 mmHg diastolic within three minutes supports orthostatic hypotension. Comparing postural readings can therefore reveal a pressure response that is not apparent from a single resting measurement.
These observations add physiological context to the pressure measurement. Symptoms indicate whether low pressure is affecting the individual, while heart rate and hydration status provide additional information about the circulatory state. Considering them together improves interpretation and supports investigation of possible contributors such as dehydration, blood loss, medication effects, autonomic disorders, or cardiovascular disease.
Begin with repeated blood pressure measurements rather than relying on one value, while recording relevant symptoms and heart rate. Evaluate hydration status and note the person's posture during each reading. For orthostatic assessment, compare measurements after lying down with readings after standing, particularly within the first three minutes, then interpret the pattern alongside the clinical findings.
It is useful when researchers need to determine whether reduced blood pressure reflects normal variation or circulatory dysfunction. The assessment can support investigations of dehydration, blood loss, medication effects, autonomic disorders, and cardiovascular disease. In biology, comparing pressure, posture, symptoms, and related observations helps connect measured cardiovascular changes with tissue perfusion and systemic function.