Low Blood Pressure

Low Blood Pressure

Its Causes and Significance

1st Edition - January 1, 1928

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  • Author: J. F. Halls Dally
  • eBook ISBN: 9781483194400

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Low Blood Pressure: Its Causes and Significance focuses on the important and interesting aspects of low arterial pressure. This book discusses the vasomotor control of arterial pressure; significance of low arterial pressure; autonomic-endocrine influences; and symptomatology of acquired hypopiesis. The parasympathetic or extended vagus system; arteriosclerosis of large vessels; psychical low arterial pressure; and agents causing vascular dilatation are also deliberated. This text likewise covers the exanthematous infections of doubtful etiology; atrophic cirrhosis of the liver; occasional difficulties in diagnosis; and control of low arterial pressure. This publication is intended for medical practitioners and clinicians aiming to acquire knowledge of low arterial pressure and its associations.

Table of Contents

  • Preface

    Chapter I Physiological Blood Pressure

    General Considerations

    Special Considerations

    Definition of Arterial Pressure

    Circulatory Factors in Arterial Pressure

    1. The Cardiac Energy

    2. The Peripheral Resistance

    3. The Resiliency of the Arterial Walls

    4. The Volume of the Circulating Blood

    5. The Consistency of the Blood

    The Measure of Circulatory Efficiency

    Vasomotor Control of Arterial Pressure


    Methods of Estimation of Arterial Pressure

    1. Tactile

    2. Vibratory

    3. Oscillatory

    4. Auditory

    Meaning and Value of the Minimal (Diastolic) Pressure

    Meaning and Value of the Maximal (Systolic) Pressure

    The Complete Arterial Pressure Picture

    Theoretical Standard Arterial Pressures in Males of Medium Physique at various Ages

    The Standard Level of Arterial Pressure

    Chapter II Low Arterial Pressure

    Definitions of Hypotonia, Hypopiesis, Hypopiesia


    Significance of Low Arterial Pressure

    The Upper (Systolic) Limit of Low Arterial Pressure

    The Lower (Diastolic) Limit of Low Arterial Pressure

    Range of Low Arterial Pressures

    Low Differential (Pulse) Pressure

    Differential Pressure as an Index of Functional Efficiency

    Frequency of Incidence of Low Arterial Pressure

    Influence on Low Arterial Pressure

    (a) of Sex

    (b) of Emotion

    Classification of Low Arterial Pressure

    Chapter III Aetiology of Low Arterial Pressure

    General Considerations

    The Author's Views:—

    Low Arterial Pressure not a Physiological State

    A Comprehensive and Unifying ^Etiological Principle

    The Author's Biological Law of Low Arterial Pressure

    Autonomic-Endocrine Influences

    Biochemical Influences

    Views of other Writers:—

    A. Negative Views on ^Etiology

    B. Positive Views on etiology


    Chapter IV Symptoms and Signs of Low Arterial Pressure

    Subjective Symptoms

    Physical Signs

    Symptomatology of Acquired Hypopiesis

    Symptomatology of Constitutional Hypopiesis

    Chapter V Autonomic-Endocrine Aspects of Low Arterial Pressure

    1. Influence of the Autonomic (Vegetative) Nervous System on Low Arterial Pressure:—

    The Parasympathetic or Extended Vagus System

    The Sympathetic System

    Relation of the Autonomic to the Endocrine System



    Vagotonic Syncope

    2. Influence of the Endocrine System on Low Arterial Pressure Endocrine Insufficiency

    (i.) Thyroid Insufficiency

    (ii.) Adrenal Insufficiency

    (iii.) Pituitary Insufficiency


    Chapter VI Circulatory Factors in Production Of Low Blood Pressure

    The Circulatory Mechanisms Involved:—

    I. The Heart

    II. The Arteries

    ΙII. The Arterioles and Capillaries

    IV. The Veins

    V. The Blood

    Chapter VII Low Arterial Pressure in the Absence Or Organic Disease

    A. Psychical Low Arterial Pressure

    B. Physical Low Arterial Pressure

    1. Hypotonia (Primary or Essential Arterial Hypotonus)

    2. Hypopiesia (Primary or Essential, Congenital and Constitutional Hypopiesis)

    3. Temporarily Induced as a result of:—

    4. Permanently Acquired as a result of:—

    Chapter VIII Low Arterial Pressure Consequent upon Trauma. Infection, and Other Agencies

    I. Temporary

    A. In Association with Acute Conditions

    B. In Association with Subacute and Chronic Conditions

    II . Congenital and Persistent

    C In Association with—

    III. Acquired and Persistent

    In Association with—

    Chapter IX Low Arterial Pressure in the Presence of Acute Organic Disease

    Low Arterial Pressure in Association with the Acute Specific Infectious Diseases:—

    (a) Microbio Infections

    (b) Exanthematous Infections of Doubtful Aetiology

    (c) Protozoan Infections

    (d) Metazoan Infections

    (e) Spirochetal Infections

    Chapter Χ Low Arterial Pressure in the Presence of Chronic Organic Disease Acquired and Persistent

    A. In Association with Chronic Conditions usually attended by Wasting—The Cachexias

    1. Adrenal Insufficiency

    2. Malignant Disease

    3. Tuberculosis

    4. Diabetes Mellitus

    5. Deficiency Diseases

    6. Atrophic Cirrhosis of the Liver

    7. Tropical Diseases of Doubtful Aetiology

    B. In Association with Chronic Conditions not usually attended by Wasting:—

    1. Constitutional Affections

    2. The Anemias

    3. Chronic Infections

    4. Chronic Intoxications

    5. Chronic Arthritis and Fibrositis

    6. Tinnitus Aurium

    C. The Lowest Limits of Arterial Pressure compatible with Life

    D. As a Terminal Event

    Chapter XI Diagnosis and Prognosis of Low Arterial Pressure

    Procedure in Diagnosis

    Utility of Biochemical Investigation

    Occasional Difficulties in Diagnosis

    Diagnosis in Autonomic-Endocrine Conditions

    Influence of Posture

    Cardiological Aspects of Diagnosis and Prognosis

    Diagnosis and Prognosis

    Chapter XII Control Of Low Arterial Pressure

    I. General Measures of Co-ordinated Control

    1. Mode of Life

    2. Diet

    3. Rest

    4. Exercise

    5. Change of Air

    6. Sunshine

    II. Special Measures of Co-ordinated Control

    1. Relaxation Exercises and Passive Movements

    2. Deep Breathing Exercises

    3. Massage and Resistance Exercises

    4. Ultra-Violet Radiation

    5. Static Electricity

    6. Oxygen

    7. Hydrotherapy

    8. Organotherapy

    9. Drug Therapy

    10. Treatment of Symptoms

    11. Treatment of Emergencies in States of Depressed Vitality

    12. Treatment of Conditions of Association

Product details

  • No. of pages: 278
  • Language: English
  • Copyright: © Butterworth-Heinemann 1928
  • Published: January 1, 1928
  • Imprint: Butterworth-Heinemann
  • eBook ISBN: 9781483194400

About the Author

J. F. Halls Dally

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