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Blood Pressure01:24

Blood Pressure

11.0K
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...
11.0K
Blood Pressure01:30

Blood Pressure

5.6K
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...
5.6K
Hypertension I: Introduction01:28

Hypertension I: Introduction

1.2K
Hypertension is a widespread, long-term medical condition where blood pressure in the arteries remains elevated. It is characterized by systolic blood pressure readings of 130 mm Hg or above or diastolic blood pressure (DBP) readings of 80 mm Hg or higher. Unmanaged hypertension poses significant health risks, making the distinction between primary (or essential) hypertension and secondary hypertension crucial, as their management and implications vary.Primary HypertensionPrimary hypertension,...
1.2K
Assessment of blood pressure in brachial artery(one-step method)01:15

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

1.4K
This procedural guide systematically measures blood pressure using an oscillometric digital sphygmomanometer, emphasizing accuracy, patient safety, and comfort.
Prepare for the Procedure:
1.4K
Sites for measuring blood pressure01:21

Sites for measuring blood pressure

4.1K
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
4.1K
Special considerations while measuring blood pressure01:28

Special considerations while measuring blood pressure

1.5K
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.
1.5K

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Related Experiment Video

Updated: Mar 22, 2026

Translaminar Autonomous System Model for the Modulation of Intraocular and Intracranial Pressure in Human Donor Posterior Segments
08:55

Translaminar Autonomous System Model for the Modulation of Intraocular and Intracranial Pressure in Human Donor Posterior Segments

Published on: April 24, 2020

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[120 mmHg for everyone?].

Tjerk Wiersma1

  • 1Nederlands Huisartsen Genootschap, afd.Richtlijnontwikkeling en Wetenschap, Utrecht.

Nederlands Tijdschrift Voor Geneeskunde
|April 14, 2016
PubMed
Summary
This summary is machine-generated.

Intensive blood pressure treatment to 120 mmHg significantly reduced heart attack, stroke, and death in high-risk patients. Shared decision-making is crucial for personalized antihypertensive therapy targets.

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Area of Science:

  • Cardiology
  • Clinical Trials
  • Hypertension Management

Background:

  • The Systolic Blood Pressure Intervention Trial (SPRINT) investigated intensive blood pressure lowering targets.
  • Elevated cardiovascular risk necessitates effective antihypertensive strategies.

Purpose of the Study:

  • To evaluate the efficacy and safety of intensive systolic blood pressure (SBP) lowering to 120 mmHg compared to standard treatment (140 mmHg).

Main Methods:

  • Randomized controlled trial involving 9161 patients with SBP 130-180 mmHg and increased cardiovascular risk.
  • Comparison of intensive treatment (target 120 mmHg) versus standard treatment (target 140 mmHg).

Main Results:

  • The trial was terminated early due to significant benefits in the intensive treatment group.
  • Intensive treatment showed a lower incidence of myocardial infarction, stroke, heart failure, and cardiovascular death (HR 0.75; p < 0.001).

Conclusions:

  • Lowering SBP to 120 mmHg is associated with reduced cardiovascular events in high-risk individuals.
  • Future guidelines should emphasize shared decision-making for personalized blood pressure targets, balancing benefits and risks.