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Related Concept Videos

Blood Pressure01:24

Blood Pressure

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The movement of blood in a human body, commonly referred to as blood flow, is determined by the volume of blood that traverses a certain section of the bodily system per unit time. It is the rhythmic contraction of the heart's ventricles that primarily instigates this movement. As the ventricles contract, blood is forced into the prominent arteries, which then flow from areas of greater pressure to lower pressure areas. This movement continues into smaller arteries and arterioles and...
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Blood Pressure01:30

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Blood pressure (BP) is the pressure or force of blood exerted on the artery's walls as it circulates through the body. It is essential for maintaining blood flow throughout the body.
The average BP in an adult is typically around 120/80 mmHg (millimeters of mercury). In this measurement, the numerator (120) indicates the systolic pressure, which is the pressure in the arteries during the contraction of the heart's ventricles as blood is expelled. The denominator (80) represents the...
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Measurement of Blood Pressure01:17

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Assessing blood pressure is a standard procedure executed in virtually all medical environments. The method utilized today was established over a hundred years ago by an innovative Russian doctor, Dr. Nikolai Korotkoff. The soft ticking noise, known as Korotkoff sounds, heard while taking blood pressure readings results from turbulent blood flow within the vessels. The apparatus required for this procedure includes a sphygmomanometer, a blood pressure cuff attached to a gauge, and a...
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Factors affecting Blood pressure01:28

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Several physiological and lifestyle factors influence blood pressure (BP). Understanding these factors is crucial as they are significant in patient education and blood pressure management.
Physiological Factors:
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Alterations in Blood Pressure01:30

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Alterations in blood pressure, such as hypertension (high blood pressure) and hypotension (low blood pressure), significantly affect human health. Understanding these conditions' classifications, causes, and symptoms is essential for effective management and treatment.
Hypertension (High blood pressure)
Hypertension occurs when blood pressure readings consistently exceed the normal range. It is diagnosed when systolic blood pressure (the top number, indicating pressure while the heart...
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Hypertension, the most common cardiovascular disease, is diagnosed through repeated measurements of elevated blood pressure. Its risks, including damage to the kidney, heart, and brain, are directly proportional to blood pressure levels. Starting from 115/75 mm Hg, the risk of cardiovascular disease doubles with each increment of 20/10 mm Hg. The diagnosis relies on blood pressure measurements, not on patient symptoms, as hypertension is often asymptomatic until end-organ damage is imminent or...
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Simultaneous Electrocardiography Recording and Invasive Blood Pressure Measurement in Rats
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[Inter-arm blood pressure difference does not always mean dissection].

E Boue1, A Gervaise2, X Demaison1

  • 1Service d'Accueil des Urgences, Hôpital d'Instruction des Armées Bégin, Saint-Mandé, France.

Revue Medicale De Bruxelles
|June 6, 2018
PubMed
Summary
This summary is machine-generated.

A patient experienced an unusual neurological issue. Doctors diagnosed a paradoxical embolism due to a permeable foramen ovale, causing a pulmonary embolus and arm thrombus, not aortic dissection.

Keywords:
Humeral strokeParadoxical embolismPatent foramen ovalPulmonary embolism

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Area of Science:

  • Neurology
  • Cardiology
  • Vascular Medicine

Background:

  • Neurological disorders can present with complex and atypical symptoms.
  • Aortic dissection is a critical condition that must be considered in neurological emergencies.
  • Paradoxical embolism requires a right-to-left shunt, such as a patent foramen ovale.

Observation:

  • A male patient presented with an atypical neurological disorder.
  • Initial suspicion of aortic dissection was raised due to anisotension.
  • The patient exhibited a proximal pulmonary embolus and a thrombus in the humeral artery.

Findings:

  • The neurological symptoms were ultimately attributed to a paradoxical embolism.
  • A patent foramen ovale was identified as the likely pathway for the embolism.
  • The findings ruled out aortic dissection as the primary cause of the neurological presentation.

Implications:

  • This case highlights the importance of considering paradoxical embolism in neurological presentations, even when aortic dissection is suspected.
  • Patent foramen ovale should be investigated in patients with unexplained embolic events.
  • Accurate diagnosis is crucial for appropriate management of embolic phenomena and neurological deficits.