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Hypertension I: Introduction

Hypertension I: Introduction

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,...

Special considerations while measuring blood pressure

Special considerations while measuring blood pressure

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.

Alterations in Blood Pressure

Alterations in Blood Pressure

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 beats)...

Measurement of Blood Pressure

Measurement of Blood Pressure

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 stethoscope.

Blood Pressure

Blood Pressure

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...

Blood Pressure

Blood Pressure

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 diastolic...

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Echocardiographic Assessment Using Subxiphoid-Only Examination for Hypotensive Patients

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Severely elevated blood pressure: when is it an emergency?

Lauren Lawson¹

¹University of Tampa, Florida 33606, USA. llawson@ut.edu

The Journal of Cardiovascular Nursing

|March 5, 2011

Summary

Nurses can help patients by recognizing when severely elevated blood pressure requires immediate intervention. This guide provides evidence-based information to help healthcare professionals differentiate between hypertensive emergencies and non-emergencies.

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Area of Science:

Cardiology
Nursing Practice

Background:

High blood pressure affects approximately one in three adults, making it a prevalent chronic condition.
Nurses frequently encounter patients with severely elevated blood pressure readings across various healthcare settings.

Purpose of the Study:

To equip nurses with the knowledge to identify situations where severely elevated blood pressure necessitates immediate medical intervention.
To present current research and best evidence concerning the management of severely elevated blood pressure.

Main Methods:

Review of current research and best evidence regarding severely elevated blood pressure.
Focus on clinical decision-making for nurses encountering high blood pressure readings.

Main Results:

Severely elevated blood pressure can range from a true medical emergency requiring urgent care to a non-emergency situation.
Distinguishing between these scenarios is critical for appropriate patient management and resource allocation.

Conclusions:

Nurses play a vital role in assessing and intervening in cases of severely elevated blood pressure.
Evidence-based practice is essential for nurses to make informed decisions regarding immediate intervention for high blood pressure.