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Related Concept Videos

Measurement of Blood Pressure01:17

Measurement of Blood Pressure

964
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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Sites for measruring blood pressure01:21

Sites for measruring blood pressure

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Blood pressure measurement is a fundamental clinical procedure, providing crucial data for assessing cardiovascular health. Among the various sites for this measurement, the brachial and popliteal arteries are predominantly utilized due to their accessibility and the reliability of their readings. This lesson delves into the anatomical significance, methodology, and considerations of measuring blood pressure at these locations.
The Brachial Artery: Primary Site for Blood Pressure Measurement
1.8K
Blood Pressure01:24

Blood Pressure

3.1K
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...
3.1K
Pressure Relationships in Thoracic Cavity01:24

Pressure Relationships in Thoracic Cavity

2.4K
Breathing, otherwise known as pulmonary ventilation, is the process of air movement into and out of the lungs. The main mechanisms propelling pulmonary ventilation are atmospheric pressure (Patm), intra-pulmonary (Ppul ) or intra-alveolar pressure (Palv) within the alveoli, and intrapleural pressure (Pip) within the pleural cavity.
Breathing Mechanisms
Both intra-alveolar and intrapleural pressures rely on specific lung properties. The ability to breathe—allowing air to enter the lungs...
2.4K
Assessment of blood pressure in brachial artery(two-step method)01:23

Assessment of blood pressure in brachial artery(two-step method)

721
Measuring blood pressure is a fundamental skill in healthcare that aids in diagnosing and monitoring hypertension and other cardiovascular conditions. An aneroid sphygmomanometer, commonly used in clinical settings, offers a manual and precise method for blood pressure measurement. The technique for using this instrument involves specific steps that must be carefully executed to ensure accuracy. The following detailed description outlines a two-step technique for assessing blood pressure using...
721
Special considerations while measuring blood pressure01:28

Special considerations while measuring blood pressure

728
When assessing blood pressure (BP), healthcare professionals must consider various factors and potential unexpected outcomes to ensure accurate readings and provide proper patient care. Adhering to these guidelines is essential to achieving the most reliable results.
Monitoring Both Arms:
Monitoring BP in both arms during the initial assessment is advisable, as the systolic value may differ by five to ten mm Hg between arms. For subsequent BP assessments, use the arm with the higher reading.
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Author Spotlight: Enhancing Vascular Function and Physical Capacity in Cardiovascular Disease Through Novel Interventions and NIRS Technology
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Nonhyperemic Pressure Ratios-All the Same or Nuanced Differences?

Samineh Sehatbakhsh1, Weijia Li2, Tatsunori Takahashi2

  • 1Division of Cardiology, Montefiore Medical Center, Albert Einstein College of Medicine, 111 210th Street, Bronx, NY 10467, USA.

Cardiology Clinics
|November 10, 2023
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Summary
This summary is machine-generated.

Fractional flow reserve (FFR) is the standard for assessing coronary artery disease (CAD). This review explores wire-based alternatives to FFR, addressing limitations in daily practice.

Keywords:
Coronary artery diseaseFractional flow reserveNonhyperemic pressure ratios

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Area of Science:

  • Cardiology
  • Interventional Cardiology
  • Medical Devices

Background:

  • Fractional flow reserve (FFR) is the gold standard for assessing the functional significance of coronary artery disease (CAD).
  • Evidence supporting FFR in the cardiac catheterization laboratory is extensive.
  • Limited daily practice uptake of FFR is due to invasive procedures and need for hyperemia-inducing medications.

Purpose of the Study:

  • To review wire-based alternatives to FFR.
  • To provide insights into the development of these alternatives.
  • To discuss the clinical evidence and limitations of FFR alternatives.

Main Methods:

  • Literature review of wire-based FFR alternatives.
  • Analysis of development pathways for these technologies.
  • Evaluation of existing clinical data and identified limitations.

Main Results:

  • Several wire-based alternatives to FFR have been developed.
  • These alternatives aim to overcome FFR's practical limitations.
  • Clinical evidence and specific limitations for each alternative are detailed.

Conclusions:

  • Wire-based alternatives offer potential solutions to FFR's limitations in clinical practice.
  • Further research and validation are ongoing for these emerging technologies.
  • Understanding their development, evidence, and limitations is crucial for guiding future adoption.