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Related Concept Videos

Introduction Cardiac Emergencies01:30

Introduction Cardiac Emergencies

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Cardiac emergencies are critical situations involving the heart that require immediate medical intervention to prevent severe complications or death. These emergencies often arise from underlying heart conditions that impair the heart's ability to function correctly.Types of Cardiac EmergenciesThe most common types of cardiac emergencies include Acute Coronary Syndrome (ACS), myocardial infarction (MI), cardiac arrest, and heart failure.Acute Coronary Syndrome (ACS)Acute Coronary Syndrome (ACS)...
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Methods of Documentation VII: EMR01:30

Methods of Documentation VII: EMR

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Electronic Medical Records (EMRs) primarily center around electronically documenting patients' health information within a single healthcare organization or practice. They contain essential clinical data related to a patient's medical history, diagnoses, medications, treatment plans, lab results, and other pertinent information relevant to the specific encounter or episode of care. EMRs are designed to streamline documentation and workflow processes within individual healthcare...
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Telephone and Verbal Reports in healthcare settings are two communication methods for conveying therapeutic instructions from healthcare providers to nurses or other healthcare staff.
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An Incident or Occurrence Report in a healthcare setting is a crucial document used to record any unexpected occurrence that may or may not have affected a patient, employee, or visitor. Such reports are critical to improving patient safety and include all details leading up to and including the event.
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Cardiopulmonary Resuscitation III: AED Use01:23

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Introduction to AEDAn Automated External Defibrillator (AED) is a portable medical device that analyzes the heart's rhythm and, if necessary, delivers an electrical shock to help the heart re-establish an effective rhythm during sudden cardiac arrest (SCA). SCA occurs when the heart suddenly and unexpectedly stops beating, leading to a loss of blood flow to the brain and other vital organs. In such emergencies, time is of the essence, and using an AED, combined with Cardiopulmonary...
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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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Setting Up a Stroke Team Algorithm and Conducting Simulation-based Training in the Emergency Department - A Practical Guide
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The Daily Patterns of Emergency Medical Events.

Mary E Helander1,2, Margaret K Formica3, Dessa K Bergen-Cico2

  • 1Maxwell School of Citizenship and Public Affairs, Department of Social Science, Syracuse University, Syracuse, New York.

Journal of Biological Rhythms
|October 3, 2023
PubMed
Summary

Emergency medical service (EMS) dispatches show predictable daily patterns, peaking in the afternoon. This contrasts with previous findings for conditions like chest pain and heart attacks, suggesting a universal daily rhythm influences emergency calls.

Keywords:
9-1-1EMSNEMSISemergency medical eventspopulation healthsinusoidal regression

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Area of Science:

  • Public Health
  • Epidemiology
  • Health Services Research

Background:

  • Emergency medical service (EMS) dispatches are critical for public health response.
  • Understanding temporal patterns of EMS dispatches can improve resource allocation and public health interventions.
  • Previous studies suggested specific peak times for certain medical emergencies, often in the morning.

Purpose of the Study:

  • To examine population-level daily patterns of time-stamped EMS dispatches.
  • To establish the situational predictability of emergency medical calls.
  • To identify if a common daily rhythm influences various medical emergency dispatch types.

Main Methods:

  • Analysis of 311,848,450 US National Emergency Medical Services Information System (NEMSIS) records (2010-2022).
  • Application of visualization, sinusoidal regression, and statistical tests to analyze hourly call distributions.
  • Comparison of empirical cumulative distributions and regression coefficients across 33 major dispatch categories.

Main Results:

  • A robust daily pattern was found across all 33 major EMS dispatch categories, with a statistically significant mid-afternoon peak (p < 0.0001).
  • Sinusoidal regression models showed high explanatory power (R² 0.84-0.99), indicating a strong underlying daily rhythm.
  • Findings contrast with prior studies for specific conditions like chest pain, stroke, and cardiac arrest, and notably for heart attacks, which showed a mid-afternoon peak instead of a morning one.
  • This pattern remained consistent across monthly, seasonal, daylight-saving time, and pre-/post-COVID-19 periods.

Conclusions:

  • Predictable daily rhythms, aligned with daylight and sleep/wake cycles, significantly influence the timing of all major EMS dispatch types.
  • The identified patterns challenge long-held assumptions about peak hours for several critical medical emergencies.
  • These findings support further research into causal risk and protective factors associated with daily variations in emergency medical needs.