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Related Concept Videos

Electrocardiogram01:29

Electrocardiogram

An electrocardiogram (ECG or EKG) is a critical diagnostic tool that records the electrical signals produced by the heart during each heartbeat. This recording is achieved through electrodes placed strategically on the arms, legs, and chest. The electrocardiograph amplifies these signals and produces 12 distinct tracings, offering a comprehensive understanding of the heart's electrical activity.
Three major waveforms are present in a typical ECG recording: the P wave, the QRS complex, and the T...
Pneumonia III: Complications and Assessment01:30

Pneumonia III: Complications and Assessment

Pneumonia poses the potential for numerous complications that warrant consideration. These complications include the following:
Electrocardiogram Fundamentals01:28

Electrocardiogram Fundamentals

Introduction
An electrocardiogram (ECG) is a diagnostic tool for identifying cardiac conditions such as arrhythmias, conduction abnormalities, and myocardial ischemia.
Definition
An electrocardiogram (ECG) visualizes the heart's electrical activity by tracing the electrical movement associated with each heartbeat on a graph or monitor. As the heart beats, an electrical wave passes through it, correlating with the cardiac cycle events.
Parts of an ECG
An ECG utilizes electrodes on the skin to...
Pneumonia II: Pathophysiology01:29

Pneumonia II: Pathophysiology

The pathophysiology of pneumonia involves the following steps:
Pulse rhythm01:30

Pulse rhythm

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.
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac muscle...
Pneumonia I: Introduction01:29

Pneumonia I: Introduction

Pneumonia is an infection of the lower respiratory tract that leads to inflammation of the lung parenchyma, often resulting in the accumulation of inflammatory exudate in the alveoli and airways. Unlike the watery, low-protein fluid exudate in pulmonary edema, the exudate in this case is a thick fluid rich in immune cells, proteins, and debris produced during infection and inflammation.This impairs gas exchange and can lead to consolidation of lung tissue. The infection may be caused by a...

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Related Experiment Video

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Visualization of Streptococcus pneumoniae within Cardiac Microlesions and Subsequent Cardiac Remodeling
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Visualization of Streptococcus pneumoniae within Cardiac Microlesions and Subsequent Cardiac Remodeling

Published on: April 7, 2015

Electrocardiogram in pneumonia.

Paul D Stein1, Fadi Matta, Maan Ekkah

  • 1Department of Research, St. Mary Mercy Hospital, Livonia, Michigan, USA. steinp@trinity-health.org

The American Journal of Cardiology
|September 25, 2012
PubMed
Summary
This summary is machine-generated.

Electrocardiogram (ECG) abnormalities are common in pneumonia patients, often showing QRS changes or nonspecific ST-T wave alterations. These ECG findings in pneumonia are similar to those in pulmonary embolism (PE), limiting ECG

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18:11

A Research Method For Detecting Transient Myocardial Ischemia In Patients With Suspected Acute Coronary Syndrome Using Continuous ST-segment Analysis

Published on: December 28, 2012

Area of Science:

  • Cardiology
  • Pulmonology
  • Medical Diagnostics

Background:

  • Electrocardiogram (ECG) findings can suggest pulmonary embolism (PE), prompting further imaging.
  • Pneumonia can also cause ECG abnormalities, necessitating comparison with PE-related changes.
  • Understanding ECG patterns in pneumonia is crucial for differential diagnosis.

Purpose of the Study:

  • To investigate and characterize electrocardiogram (ECG) findings in patients diagnosed with pneumonia.
  • To compare ECG abnormalities in pneumonia with those typically seen in pulmonary embolism (PE).

Main Methods:

  • Retrospective evaluation of 62 adult patients hospitalized with pneumonia and without prior cardiopulmonary disease.
  • Analysis of electrocardiogram (ECG) data obtained during hospitalization.
  • Identification and quantification of various ECG abnormalities, including QRS changes and ST-T wave alterations.

Main Results:

  • The most frequent ECG abnormality, excluding sinus tachycardia, was nonspecific ST-segment or T-wave changes (21%).
  • QRS abnormalities were observed in 39% of patients, with right-axis deviation and S(1)S(2)S(3) being most common (9.7%).
  • Specific abnormalities like right bundle branch block and S(1)Q(3)T(3) occurred in 4.8% of cases.

Conclusions:

  • Electrocardiogram (ECG) in pneumonia patients frequently reveals QRS abnormalities or nonspecific ST-segment/T-wave changes.
  • These ECG findings in pneumonia are similar to those observed in pulmonary embolism (PE).
  • Electrocardiogram (ECG) alone is insufficient for differentiating between pneumonia and PE.