Pulsus Alternans: 在行动中被抓住
Emre Aslanger1, Burcu Aggül2, Duygu Genç Albayrak2
1Department of Cardiology, Başakşehir Pine and Sakura City Hospital, Health Sciences University, Istanbul, Turkey.
概括
脉冲交替,以交替强烈和弱弱的心跳为特征,信号严重的左心室功能障碍. 这项研究提出了一个案例,提供了对这种关键心脏状况的启动机制的见解.
科学领域:
- 心脏病学 心脏病学
- 生理学 生理学 生理学
- 医学诊断 医学诊断 医学诊断
背景情况:
- 脉冲交替是一种动脉脉冲波形,呈现着以规律的节奏交替的强弱节拍.
- 它的存在,通过体检或导管检测,意味着严重的左心室 (LV) 功能障碍,预示着预后不佳.
- 脉冲替代的精确潜在机制一直是持续的科学辩论的主题.
相关概念视频
Pulse rhythm
768
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...
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac...
768
Cardiovascular System Abnormal Findings I: Inspection and Palpation
264
In a cardiovascular examination, inspection and palpation are crucial for identifying abnormalities.
Abnormal findings observed during an inspection
Abnormal findings observed during an inspection
264
Special considerations while measuring pulse
563
Assessing a patient's pulse is a fundamental skill in healthcare, but certain situations require special attention:
563
Pulse
447
When the heart pumps blood out, arterial elastic fibers play a crucial role in sustaining a high-pressure gradient. They expand to accommodate the received blood and then recoil - a process known as the pulse that can be either manually palpated or electronically quantified. Despite a reduction in its effect with increased distance from the heart, elements of the pulse's systolic and diastolic components persist, observable even at the arteriole level.
The pulse serves as a clinical...
The pulse serves as a clinical...
447
Measurement of Blood Pressure
880
Assessing blood pressure is a standard procedure executed in virtually all medical environments. The method utilized today was established over a hundred years ago by an innovative Russian doctor, Dr. Nikolai Korotkoff. The soft ticking noise, known as Korotkoff sounds, heard while taking blood pressure readings results from turbulent blood flow within the vessels. The apparatus required for this procedure includes a sphygmomanometer, a blood pressure cuff attached to a gauge, and a...
880
Pulse amplitude and quality
1.6K
Pulse amplitude is a crucial indicator of cardiac health because it provides valuable insights into the strength of left ventricular contractions and the overall uniformity of blood circulation within the vasculature. The strength of the pulse is directly related to the force with which the heart contracts and the volume of blood being pumped.
A weak or absent pulse may indicate reduced cardiac output or poor left ventricular contraction, which can be signs of cardiovascular dysfunction or...
A weak or absent pulse may indicate reduced cardiac output or poor left ventricular contraction, which can be signs of cardiovascular dysfunction or...
1.6K


