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The damaged valves may result in heart failure, atrial fibrillation and infection of the valves. [1] Rheumatic fever may occur following an infection of the throat by the bacterium Streptococcus pyogenes. [1] If the infection is left untreated, rheumatic fever occurs in up to three percent of people. [6]
The period from the time of infection to the time of becoming infectious is called the pre-infectious period or the latent period. During the pre-infectious or latent period, a host may or may not show symptoms (i.e. the incubation period may or may not be over), but in both cases, the host is not capable of infecting other hosts i.e ...
Atrial fibrillation is associated with an increased risk of heart failure, dementia, and stroke. [3] [12] It is a type of supraventricular tachycardia. [14] Atrial fibrillation frequently results from bursts of tachycardia that originate in muscle bundles extending from the atrium to the pulmonary veins. [15]
recurrent urinary tract infection: RV: residual volume right ventricle review RVAD: right ventricular assist device: RVF: right ventricular failure, or rectovaginal fistula: RVH: right ventricular hypertrophy: RVR: rapid ventricular rate (tachycardia) RVSP: right ventricular systolic pressure: RVT: renal vein thrombosis: RW: rolling walker: Rx ...
A latent viral infection is a type of persistent viral infection which is distinguished from a chronic viral infection. Latency is the phase in certain viruses' life cycles in which, after initial infection, proliferation of virus particles ceases. However, the viral genome is not eradicated.
An example of a latent bacterial infection is latent tuberculosis. Some viral infections can also be latent, examples of latent viral infections are any of those from the Herpesviridae family. [55] The word infection can denote any presence of a particular pathogen at all (no matter how little) but also is often used in a sense implying a ...
Such an infection is called a subclinical infection. In epidemiology , particularly in the discussion of infectious disease dynamics (mathematical modeling of disease spread), the infectious period is the time interval during which a host (individual or patient) is infectious, i.e. capable of directly or indirectly transmitting pathogenic ...
After the latency period (but before clinical infection) the infected person can transmit the disease without signs of any symptoms. Such infection is called subclinical infection. Incubation period (also known as the latent period or latency period ) is the time elapsed between exposure to a pathogenic organism, a chemical, or radiation , and ...