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Related Concept Videos

Hypertension I: Introduction01:28

Hypertension I: Introduction

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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,...
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Hypertension III: Clinical Manifestations and Diagnostic Studies01:30

Hypertension III: Clinical Manifestations and Diagnostic Studies

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Hypertension is asymptomatic and also referred to as the "silent killer" until it progresses to a severe stage or causes target organ disease. Patients may experience symptoms stemming from the strain on blood vessels and tissues in various organs or the heart's increased workload.Physical exams might show no abnormalities other than high blood pressure. Signs of vascular damage, when present, correspond to the organs supplied by the affected vessels, leading to target organ damage. For...
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Hypertension and Regulation of Blood Pressure01:18

Hypertension and Regulation of Blood Pressure

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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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Pulmonary Hypertension: Classification and Pathogenesis01:30

Pulmonary Hypertension: Classification and Pathogenesis

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Pulmonary hypertension (PH) is a severe health condition in which the mean pulmonary arterial pressure increases to 25 mmHg or more, even when the body is at rest. This high pressure in the blood vessels that transport blood from the heart to the lungs can cause various symptoms, including shortness of breath, can lead to right heart failure, and significantly affect the overall quality of life.
There are various classifications for PH, each relating to different underlying causes and also...
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Hypertension II: Pathophysiology01:29

Hypertension II: Pathophysiology

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Hypertension is a chronic condition in which the blood's force against artery walls is excessively high, posing risks such as heart disease. The condition's underlying mechanisms involve complex interactions among the cardiovascular, kidney, and autonomic nervous systems.Renin-Angiotensin-Aldosterone System (RAAS): This system significantly influences blood pressure regulation. When blood pressure decreases, the kidneys secrete renin. This enzyme transforms angiotensinogen, a plasma protein,...
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Alterations in Blood Pressure01:30

Alterations in Blood Pressure

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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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Invasive Hemodynamic Characterization of the Portal-hypertensive Syndrome in Cirrhotic Rats
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[Secondary hypertension].

Yuichi Yoshida, Hirotaka Shibata

    Nihon Rinsho. Japanese Journal of Clinical Medicine
    |December 2, 2015
    PubMed
    Summary
    This summary is machine-generated.

    Secondary hypertension, often caused by endocrine or renal issues, affects about 10% of patients. Early detection and treatment are crucial as many forms are curable, improving cardiovascular health.

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    Area of Science:

    • Cardiology
    • Endocrinology
    • Nephrology

    Context:

    • Hypertension is a major risk factor for cardiovascular diseases.
    • Secondary hypertension accounts for approximately 10% of hypertension cases.
    • Identifying the underlying cause is key as secondary hypertension is often treatable.

    Purpose:

    • To highlight the prevalence and significance of secondary hypertension.
    • To categorize the common causes of secondary hypertension.
    • To emphasize the importance of early screening and diagnosis.

    Summary:

    • Secondary hypertension arises from identifiable causes, including endocrine disorders (e.g., primary aldosteronism, Cushing's syndrome, pheochromocytoma) and renal diseases (renal parenchymal, renovascular hypertension).
    • Other prevalent causes include obstructive sleep apnea syndrome.
    • Most cases of secondary hypertension are curable or significantly improvable with targeted treatment.

    Impact:

    • Early identification and management of secondary hypertension can prevent severe cardiovascular complications.
    • Routine screening for secondary hypertension in clinical practice is recommended.
    • Effective treatment of secondary hypertension can lead to better patient outcomes and reduced healthcare burden.