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Related Concept Videos

Holter Monitor: 24-Hour Monitoring01:23

Holter Monitor: 24-Hour Monitoring

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Holter monitoring is a continuous electrocardiography (ECG) recording that tracks the heart's electrical activity over an extended period, generally 24 to 48 hours. This noninvasive diagnostic tool detects irregular heart rhythms that may not be captured during a standard ECG performed in a clinical setting.DeviceThe Holter monitor is a portable, small device connected to several electrodes on the patient's chest. These electrodes detect the heart's electrical signals and transmit them to the...
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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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Surgical Implant Procedure and Wiring Configuration for Continuous Long-Term EEG/ECG Monitoring in Rabbits
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Experience with implantable loop recorders for recurrent unexplained syncope.

Michele Brignole1

  • 1Arrhythmologic Centre and Syncope Unit, Department of Cardiology, Ospedali del Tigullio, Lavagna, Italy. mbrignole@ASL4.liguria.it

Congestive Heart Failure (Greenwich, Conn.)
|November 7, 2009
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Summary
This summary is machine-generated.

Implantable loop recorders (ILRs) aid syncope diagnosis by correlating events with ECGs. Early ILR use, excluding high-risk patients, offers diagnostic benefits for severe syncope cases.

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Area of Science:

  • Cardiology
  • Electrophysiology

Background:

  • Spontaneous syncope evaluation traditionally follows extensive workups.
  • Implantable loop recorders (ILRs) were initially reserved for cases with unexplained syncope after conventional methods failed.

Purpose of the Study:

  • To evaluate the diagnostic yield of ILRs in unexplained syncope.
  • To assess the safety and utility of early ILR implantation in specific syncope presentations.

Main Methods:

  • Pooled analysis of 247 patients undergoing ILR implantation for syncope.
  • Correlation of recorded electrocardiographic (ECG) findings with syncope and presyncope events.

Main Results:

  • ECG correlation during syncope occurred in 34% of patients, with bradycardia/asystole in 52% and tachycardia in 11%.
  • Presyncope showed less frequent arrhythmia correlation compared to syncope.
  • Diagnostic yield was consistent across patients with and without structural heart disease, and higher in older individuals.

Conclusions:

  • ILR implantation can be safely performed early in the diagnostic process for selected severe syncope cases.
  • Early ILR use can facilitate mechanism-specific therapy, particularly in patients with high risk of trauma or frequent episodes.