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Related Concept Videos

Measurement of Blood Pressure01:17

Measurement of Blood Pressure

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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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Pulse rhythm01:30

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Pulse rhythm refers to the pattern of pulsations within specific intervals, offering valuable insights into the regularity or irregularity of the heart's beats as observed through the pattern of pulsation within specific intervals. A regular pulse exhibits a consistent heart rate with uniform waveforms and pulsation force, variations of which can be classified as normal, weak, or bounding.
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Pulse amplitude and quality01:17

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Pulse amplitude is a crucial indicator of cardiac health because it provides valuable insights into the strength of left ventricular contractions and the overall uniformity of blood circulation within the vasculature. The strength of the pulse is directly related to the force with which the heart contracts and the volume of blood being pumped.
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Pulse01:16

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When the heart pumps blood out, arterial elastic fibers play a crucial role in sustaining a high-pressure gradient. They expand to accommodate the received blood and then recoil - a process known as the pulse that can be either manually palpated or electronically quantified. Despite a reduction in its effect with increased distance from the heart, elements of the pulse's systolic and diastolic components persist, observable even at the arteriole level.
The pulse serves as a clinical...
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Pulse01:05

Pulse

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The pulse is one of the most fundamental physiological indicators of the body's cardiovascular health. It is the rhythmic expansion and contraction of the arterial walls in response to the pressure generated by the heart's pumping action.
Pulse Rate and its Significance
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Korotkoff Sounds01:12

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Korotkoff sounds are the specific sounds heard while measuring blood pressure using a sphygmomanometer, typically with a stethoscope or a Doppler device. They are named after Russian physician Nikolai Korotkov, who first described them in 1905. These sounds correspond to turbulent blood flow in the artery as the blood pressure cuff is gradually released after inflation.
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Objective pulsatile tinnitus.

Dario A Yacovino1, Pablo Casas2

  • 1Neurology Department"Cesar Milstein" Hospital Buenos Aires Argentina; Memory and balance Clinic Buenos Aires Argentina.

Clinical Case Reports
|January 7, 2016
PubMed
Summary

Pulsatile tinnitus, a rare form of tinnitus, may signal a serious underlying condition like dural arteriovenous fistula. Prompt medical evaluation is crucial for diagnosing vascular causes of pulsatile tinnitus.

Keywords:
Arteriovenous malformationauditionclinical neurology examinationstroke preventiontinnitus

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Area of Science:

  • Otolaryngology
  • Neurology
  • Vascular Surgery

Background:

  • Tinnitus is the perception of sound without an external source.
  • Pulsatile tinnitus affects less than 10% of tinnitus patients.
  • It can be a symptom of serious underlying conditions.

Purpose of the Study:

  • To highlight the importance of investigating vascular origins of pulsatile tinnitus.
  • To emphasize dural arteriovenous fistula as a potential cause.
  • To advocate for timely examination in patients with pulsatile tinnitus.

Main Methods:

  • Clinical case review.
  • Diagnostic imaging (e.g., MRI, MRA, CTA).
  • Vascular imaging interpretation.

Main Results:

  • Dural arteriovenous fistula can present as pulsatile tinnitus.
  • Early detection of vascular anomalies is critical for patient outcomes.
  • Diagnostic workup should include vascular assessment.

Conclusions:

  • Pulsatile tinnitus warrants thorough investigation for vascular etiologies.
  • Dural arteriovenous fistula is a significant, treatable cause of pulsatile tinnitus.
  • Timely diagnosis and management improve patient prognosis.