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Related Concept Videos

Factors Influencing Heart Rate01:30

Factors Influencing Heart Rate

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The heart rate, or pulse rate, is a vital indicator of cardiovascular health. It reflects the number of times the heart beats per minute. Various physiological and environmental factors influence heart rate, increasing or decreasing cardiac output. Understanding these factors is crucial for assessing heart function and identifying potential health issues.
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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.
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Dysrhythmias IV: Characteristics of Bradyarrhythmias01:18

Dysrhythmias IV: Characteristics of Bradyarrhythmias

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Bradyarrhythmias are cardiac rhythm disorders characterized by a slower-than-normal heart rate, typically defined as fewer than 60 beats per minute. Some of which are discussed here:Sinus BradycardiaSinus bradycardia presents a heart rate lower than 60 beats per minute, with a regular rhythm originating from the SA node. The ECG typically shows normal P waves preceding each QRS complex, a normal PR interval (0.12 to 0.20 seconds), and a normal QRS duration (0.06 to 0.10 seconds).First-Degree AV...
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Increased pulse rate01:17

Increased pulse rate

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Tachycardia is a condition marked by an abnormally fast or irregular heart rate, surpassing the typical resting rate. In adults, tachycardia is characterized by a pulse rate ranging from 100 to 180 beats per minute. The increased heart rate can result in inadequate blood flow to various body parts, ultimately diminishing the oxygen supply to organs and tissues.
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Special considerations while measuring oxygen saturation01:19

Special considerations while measuring oxygen saturation

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Assessing respiratory rate concurrently with pulse measurement is fundamental to patient care, providing valuable insights into the patient's respiratory function. The normal breathing rate for an adult usually falls within a normal range of 12 to 20 breaths per minute. Abnormal respiratory rates can signal underlying health conditions or the need for immediate intervention.
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Dysrhythmias III: Characteristics of Dysrhythmias01:29

Dysrhythmias III: Characteristics of Dysrhythmias

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Dysrhythmias, also known as arrhythmias, are irregular heart rhythms that result from abnormal electrical activity in the heart, affecting its ability to circulate blood efficiently. Tachyarrhythmias, a subset of dysrhythmias, are characterized by abnormally fast heart rates exceeding 100 beats per minute. Here are some types of tachyarrhythmias with their distinct ECG features:Sinus Tachycardia:Sinus tachycardia presents a regular heart rhythm with an increased rate of 101-180 beats per...
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Implantation of Radiotelemetry Transmitters Yielding Data on ECG, Heart Rate, Core Body Temperature and Activity in Free-moving Laboratory Mice
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Changes in heart rate during third molar surgery.

M H J Hollander1, J Schortinghuis1, A Vissink2

  • 1Department of Oral and Maxillofacial Surgery, Scheper Hospital, Emmen, Netherlands.

International Journal of Oral and Maxillofacial Surgery
|August 31, 2016
PubMed
Summary
This summary is machine-generated.

Patients experience specific anxiety patterns during third molar surgery. Anxiety levels are lowest before and after the procedure, peaking during the surgical intervention itself.

Keywords:
anxietyheart ratemaxillofacial surgerythird molar

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Area of Science:

  • Oral and Maxillofacial Surgery
  • Psychological Medicine
  • Pain Management

Background:

  • Third molar surgery often induces anxiety in patients.
  • The specific pattern and intensity of anxiety during this procedure remain largely uncharacterized.

Purpose of the Study:

  • To assess the intensity and temporal course of anxiety during third molar surgery.
  • To identify specific surgical stages associated with heightened patient anxiety.

Main Methods:

  • 48 patients undergoing surgical third molar extraction under local anesthesia were studied.
  • Anxiety was measured using the Modified Dental Anxiety Scale and continuous heart rate monitoring.
  • Anxiety levels were recorded at multiple points: waiting room, pre-anesthesia, during anesthesia, surgical draping, time-out, incision, alveolotomy, extraction, suturing, and post-procedure.

Main Results:

  • Heart rate, a proxy for anxiety, was lowest in the waiting room, dental chair, during anesthesia, surgical draping, suturing, and post-procedure.
  • Significantly higher heart rates were observed during the time-out procedure, incision, and alveolotomy (P<0.005).

Conclusions:

  • Anxiety during third molar surgery follows a distinct pattern, with elevated levels during critical surgical phases.
  • Understanding this pattern can inform strategies to manage patient anxiety more effectively during dental procedures.