明らかなトニック・クローン発作時のパルスオキシメトリー
M R James1, H Marshall, M Carew-McColl
1Accident and Emergency Department, Royal Preston Hospital, UK.
Lancet (London, England)
|February 16, 1991
まとめ
発作中のパルスオキシメトリーモニタリングは,酸素飽和度の低下を検出することによって,本物の発作を特定することができます. これは真の発作と偽発作を区別し,必要な医療介入を導くのに役立ちます.
科学分野:
- 神経学 神経学とは
- クリティカルケア・メディシン
背景:
- トニック・クロニック発作は,生理学的変化につながる可能性があります.
- 発作タイプの正確な診断は,適切な管理に不可欠です.
研究 の 目的:
- 本物のトニック・クローン発作と偽発作の区別におけるパルスオキシメトリーの有用性を評価する.
- 発作の種類によって動脈の酸素飽和度の変化を評価する.
主な方法:
- パルスオキシメトリーは,11人の患者の動脈酸素飽和度をモニターするために使用されました.
- 患者は臨床的に真の発作または偽発作と診断されました.
- 酸素飽和度レベルは,明らかにトニック・クローン発作の時に記録された.
主要な成果:
- 真の発作と診断された8人の患者のうち6人は,酸素飽和度の大幅な低下を示した.
- 偽発作と診断された3人の患者のうち,エピソード中に低酸素症を発症した人は一人もいなかった.
- パルスオキシメトリーは,本物の発作と偽発作の間の明確なパターンを明らかにした.
結論:
- パルスオキシメトリーは,本物のトニック・クローン発作と偽発作を区別する上で貴重なツールである.
- 酸素飽和度が低下することによって示される低酸素は,本物の発作と関連しています.
- このモニタリング方法は,低血圧酸素のために直ちに介入を必要とする患者を特定するのに役立ちます.
さらに関連する動画
04:20Integration of Brain Tissue Saturation Monitoring in Cardiopulmonary Exercise Testing in Patients with Heart Failure
Published on: October 1, 2019
08:35Oxygenation-sensitive Cardiac MRI with Vasoactive Breathing Maneuvers for the Non-invasive Assessment of Coronary Microvascular Dysfunction
Published on: August 17, 2022
関連する概念動画
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...
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac muscle...
Special considerations while measuring pulse
Assessing a patient's pulse is a fundamental skill in healthcare, but certain situations require special attention:
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...
Three major waveforms are present in a typical ECG recording: the P wave, the QRS complex, and the T...
Correlation between ECG and Cardiac Cycle
The electrical signals recorded on an electrocardiogram (ECG) occur before the mechanical processes of contraction and relaxation during the cardiac cycle.
A cardiac action potential originates in the SA node and spreads throughout the atria and the AV node in approximately 0.03 seconds. This results in the P wave in an ECG and triggers atrial contraction. The action potential is then briefly slowed at the AV node, allowing the atria to contract and fill the ventricles with blood before...
A cardiac action potential originates in the SA node and spreads throughout the atria and the AV node in approximately 0.03 seconds. This results in the P wave in an ECG and triggers atrial contraction. The action potential is then briefly slowed at the AV node, allowing the atria to contract and fill the ventricles with blood before...
Cardiac Action Potential
Cardiac action potentials are essential for proper heart function, enabling the rhythmic contractions needed for adequate blood circulation. Nodal cells and Purkinje fibers, specialized for electrical conduction, generate these action potentials.
The cardiac action potential process involves a series of phases characterized by the movement of ions across the cardiac cell membranes, leading to the depolarization and repolarization of the cardiac myocytes.
Ionic Basis of Cardiac Action Potentials
The cardiac action potential process involves a series of phases characterized by the movement of ions across the cardiac cell membranes, leading to the depolarization and repolarization of the cardiac myocytes.
Ionic Basis of Cardiac Action Potentials
Holter Monitor: 24-Hour Monitoring
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...
