The lub-dub noises are added up to make one rhythm. Depending on the heart rate, the two noises are followed by each other in less than a second. This finding will be documented.
The dub, the second heart sound, symbolizes the closure of the aortic and pulmonic valves during diastole, whereas each lub, the first heart sound, symbolizes the closing of the mitral and tricuspid valves during systole.
Pneumonia can be brought on by fungus, bacteria, or viruses. In the US, respiratory syncytial virus (RSV), SARS-CoV-2, and influenza are the most frequent causes of viral pneumonia (the virus that causes COVID-19).
Streptococcus pneumoniae is a typical culprit in bacterial pneumonia (pneumococcus).
Most pneumonia sufferers do eventually get well. However, the 30-day death rate for hospitalized patients ranges from 5 to 10%. In those who are admitted to intensive care, it may reach 30%.
The majority of pneumonia patients react favorably to therapy, although the condition can be extremely dangerous and even fatal.
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