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The iceberg phenomenon describe a situation in which a large percentage of a problem is subclinical, unreported, or otherwise hidden from view. Thus, only the "tip of the iceberg" is apparent to the epidemiologist. (Examples of the iceberg phenomenon are given in the text.)
Sep 4, 2017 · The document discusses the "iceberg phenomenon" in diseases, where only a small visible portion (the tip of the iceberg) of total cases are clinically apparent. The larger submerged part represents subclinical or unrecognized cases. Screening surveys can help detect these hidden cases.
Jun 26, 2024 · iceberg phenomenon. Quick Reference. A common situation in clinical practice, where only a small proportion of cases of important diseases, the tip of the iceberg, are seen at an early stage in the natural history when intervention can achieve prevention, cure, or relief of symptoms.
The key to the iceberg effect is the disease's incubation period, the time between infection and the first symptoms of illness. Incubation periods can vary widely by disease. For example, the median incubation period for HIV is about 10 years, while anthrax has a median incubation period of 11 days.
Jun 24, 2024 · Iceberg Phenomenon. That portion of disease which remains unrecorded or undetected despite physicians’ diagnostic endeavors and community disease Surveillance procedures is referred to as the “submerged portion of the iceberg.”. Detected or diagnosed disease is the “tip of the iceberg.”.
Jan 8, 2014 · There is greatest interest in the submerged part of the iceberg—disease precursors, preclinical conditions and very early clinical stages, that if identified and appropriate interventions initiated, might nip in the bud an otherwise relentlessly progressive and ultimately lethal disease process.
Jun 16, 2021 · The Iceberg model is an epidemiological model that can be very useful in identifying new cases, caring for existing diseases, and planning future care for the disease in different countries and communities. The results of this study can clear up the ambiguities about the clinical spectrum of COVID-19. → What this article adds:
Jan 8, 2014 · The iceberg phenomenon. Disease known to the general practitioner represents only the tip of the iceberg; Morris 17 has shown that differences below the surface may be qualitative as well as quantitative.
how the iceberg of disease phenomenon thwarts assessment of the true burden of disease, the need for services, and the selection of representative cases for epidemiological study;
Mar 28, 2023 · The "iceberg phenomenon of disease" theory explains how an illness progresses from its preclinical stages to its overt or apparent state. The submerged portion of the iceberg represents the hidden mass of the disease, which consists of carriers, unidentified cases, and subclinical cases.
