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Related Concept Videos

Pulse amplitude and quality01:17

Pulse amplitude and quality

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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.
A weak or absent pulse may indicate reduced cardiac output or poor left ventricular contraction, which can be signs of cardiovascular dysfunction or...
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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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Decreased pulse rate01:14

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Bradycardia is a medical condition in which the heart rate is slower than normal. It occurs when the heart's natural pacemaker, the sinus node, generates slower electrical impulses than the standard rhythm. In adults, bradycardia is diagnosed when the pulse rate falls below 60 beats per minute, indicating a deviation from the normal heart rate range.
There are specific risk factors that can elevate the likelihood of developing bradycardia. Advanced age is a significant factor, with...
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Special considerations while measuring pulse01:13

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Assessing a patient's pulse is a fundamental skill in healthcare, but certain situations require special attention:
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Pulse01:05

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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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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.
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Making collapsing pulse user-friendly.

T Puthiaparampil1

  • 1Universiti Malaysia Sarawak, Faculty of Medicine and Health Sciences, Sarawak, Malaysia. pthomas@unimas.my.

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Summary
This summary is machine-generated.

The collapsing pulse examination, often taught with arm elevation, can be confusing. A more effective method focuses on the pulse

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Area of Science:

  • Cardiology
  • Clinical Examination Techniques
  • Vascular Physiology

Background:

  • The collapsing pulse, also known as water-hammer pulse, is a clinical sign.
  • Current teaching methods for eliciting collapsing pulse involve arm elevation.
  • Arm elevation can cause physiological confusion, masking the true nature of the pulse.

Purpose of the Study:

  • To clarify the components of the collapsing pulse sign.
  • To propose an improved method for eliciting the collapsing pulse.
  • To address potential confusion in current medical education regarding this sign.

Main Methods:

  • Review of the physiological basis of the collapsing pulse.
  • Analysis of the components of the pulse waveform.
  • Comparison of elicitation techniques.

Main Results:

  • The 'collapsing' nature is only the second component of the sign.
  • The primary component is a slapping, bounding upstroke ('water-hammer pulse').
  • This slapping character can be detected during routine pulse examination without arm elevation.

Conclusions:

  • Routine arm elevation for eliciting collapsing pulse is potentially misleading.
  • Focusing on the bounding upstroke during standard pulse palpation is more effective.
  • Medical school teaching should de-emphasize arm lifting for this examination.