The word "blood murmur" refers to a sound made by blood flowing through the heart or blood vessels. In IPA phonetic transcription, it is spelled as [blʌd ˈmɜːmə]. The "bl" in blood represents the voiced bilabial stop, while the "d" represents the voiced dental plosive. The "m" in murmurs represents the voiced bilabial nasal, while the "ə" represents the schwa sound. The inverted "e" in "murmur" indicates that the vowel sound is pronounced with a slightly open mouth.
Blood murmur refers to an abnormal sound that is produced during the flow of blood through the heart or blood vessels. It is often characterized by a blowing, whooshing, or swooshing noise that can be heard with a stethoscope during a physical examination. This sound originates from disruptions in the normal blood flow patterns within the cardiovascular system.
A blood murmur can be caused by various factors, including structural abnormalities of the heart and blood vessels, valve abnormalities, or abnormal blood flow due to an obstruction or narrowing of the blood vessels. It can also be a result of conditions such as heart defects, heart valve diseases, or increased blood flow through normal structures, such as during pregnancy or hyperthyroidism.
Blood murmurs are typically classified based on their timing in the cardiac cycle and their location within the heart. Timing refers to whether the murmur occurs during systole (when the heart contracts) or diastole (when the heart relaxes). The location describes the area of the heart where the murmur is best heard.
While not all blood murmurs indicate an underlying disease or disorder, some may require further investigation and treatment. The severity, duration, and associated symptoms play a crucial role in determining the significance of a blood murmur. Diagnosis often involves a comprehensive medical history, physical examination, and diagnostic tests such as echocardiography, electrocardiogram (ECG), or cardiac catheterization.
Treatment for blood murmurs may vary depending on the underlying cause. In some cases, medication, lifestyle modifications, or surgical interventions may be required to manage the condition and restore normal blood flow.
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A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The term "blood murmur" is not a specific medical term. However, it might refer to "heart murmur", which is a common term in cardiology. The etymology of "heart murmur" can be broken down as follows:
1. Heart: The word "heart" originates from the Old English word "heorte", which is derived from the Proto-Germanic word "hertô".
2. Murmur: The word "murmur" comes from the Middle English word "murmure", which is from the Old French word "murmure" meaning "muttering" or "murmuring sound", derived from the Latin word "murmurare" meaning "to murmur, mutter".
Therefore, the term "heart murmur" refers to an abnormal sound heard during a heartbeat, resulting from turbulent blood flow through the heart.