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Related Concept Videos

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.
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Hypertension III: Clinical Manifestations and Diagnostic Studies01:30

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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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Blood Pressure Imbalances and Circulatory Shock01:24

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Disorders affecting blood volume, vascular tone, or vascular function can disrupt vascular homeostasis, including conditions like hypertension, hemorrhage, and shock.
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Normal blood pressure is 120/80 mm Hg. Elevated blood pressure is 120-129/under 80 mm Hg. Hypertension, warranting treatment at 130/80 mm Hg, is often asymptomatic and can lead to severe cardiovascular events, aneurysms, peripheral arterial disease, chronic renal disease, or cardiac...
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Measurement of Blood Pressure01:17

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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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Pulmonary Embolism I: Introduction01:29

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Pulmonary embolism (PE) occurs when a thrombus, fat or air embolus, amniotic fluid, or tumor tissue blocks one or more pulmonary arteries. These blockages originate in the venous system or the right side of the heart.EtiologyPE primarily arises from deep vein thrombosis (DVT) and other hypercoagulable states, such as inherited thrombophilias. Additional etiological factors include venous stasis, commonly seen in obesity, and endothelial injury from surgery and trauma. Less common causes include...
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Hypoglycemia and Glucagon01:15

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Without prolonged fasting, healthy individuals maintain blood glucose levels above 3.5 mM due to a well-adapted neuroendocrine counterregulatory system that effectively prevents acute hypoglycemia, a potentially life-threatening condition. The primary clinical scenarios for hypoglycemia encompass diabetes treatment, inappropriate production of endogenous insulin or insulin-like substances by tumors, and the use of glucose-lowering agents in non-diabetic individuals. Notably, hypoglycemia in the...
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Pre-Chiasmatic, Single Injection of Autologous Blood to Induce Experimental Subarachnoid Hemorrhage in a Rat Model
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Intracranial hypotension: An uncommon entity with common presentation.

Vinay K Maurya1, R Ravikumar2, Mukul Bhatia1

  • 1Associate Professor, Department of Radiodiagnosis, Armed Forces Medical College, Pune 411040, India.

Medical Journal, Armed Forces India
|September 20, 2017
PubMed
Summary
This summary is machine-generated.

Intracranial hypotension, a cause of secondary headaches, often goes undiagnosed due to poor awareness. Magnetic resonance imaging (MRI) is crucial for diagnosing this condition and identifying its underlying causes.

Keywords:
HeadacheIntracranial hypotensionMagnetic resonance imaging

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Area of Science:

  • Neurology
  • Radiology
  • Medical Imaging

Background:

  • Headache disorders are common neurological complaints.
  • Secondary headaches have diverse etiologies, including intracranial hypotension.
  • Intracranial hypotension diagnosis is frequently delayed due to low awareness and uncommon presentation.

Purpose of the Study:

  • To highlight the magnetic resonance imaging (MRI) findings in intracranial hypotension.
  • To illustrate MRI's role in diagnosing intracranial hypotension and its varied causes.

Main Methods:

  • Case series approach.
  • Review of MRI findings in three patients with intracranial hypotension.
  • Correlation of imaging findings with clinical presentation and etiology.

Main Results:

  • Demonstration of characteristic MRI features of intracranial hypotension.
  • Identification of different underlying causes of intracranial hypotension through imaging.
  • Highlighting the diagnostic utility of MRI in complex headache cases.

Conclusions:

  • MRI is essential for diagnosing intracranial hypotension.
  • Recognizing MRI patterns aids in identifying diverse etiologies of intracranial hypotension.
  • Increased awareness of intracranial hypotension and its imaging findings is needed.