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describing something as positioned in front of another thing Latin āntē, before, in front of antepartum: anthropo-human Greek ἄνθρωπος (ánthrōpos), human anthropology: anti-describing something as 'against' or 'opposed to' another Greek ἀντί (antí), against antibody, antipsychotic: apo-away, separated from, derived from
Related to this, sometimes several symptoms always appear together, or more often than what could be expected, though it is known that one cannot cause the other. These situations are called syndromes, and normally it is assumed that an underlying condition must exist that explains all the symptoms. [citation needed]
The main discussion of these abbreviations in the context of drug prescriptions and other medical prescriptions is at List of abbreviations used in medical prescriptions. Some of these abbreviations are best not used, as marked and explained here.
Advances in medical science improve the understanding of causes of diseases and the classification of diseases; thus, regarding any particular condition or disease, as more root causes are discovered and as events that seemed spontaneous have their origins revealed, the percentage of cases designated as idiopathic will decrease.
In medicine, comorbidity refers to the simultaneous presence of two or more medical conditions in a patient; often co-occurring (that is, concomitant or concurrent) with a primary condition. It originates from the Latin term morbus (meaning "sickness") prefixed with co-("together") and suffixed with -ity (to indicate a state or condition).
Meaning s̅: without (s with an overbar) (from Latin sine) S: sacrum: S x: symptoms surgery (though deemed by some as inappropriate) S 1: first heart sound: S 2: second heart sound: S 3: third heart sound S 4: fourth heart sound S&O: salpingo-oophorectomy Sb: Scholar batch SAAG: serum–ascites albumin gradient SAB: staphylococcal bacteremia
The information required for a diagnosis is typically collected from a history and physical examination of the person seeking medical care. Often, one or more diagnostic procedures, such as medical tests, are also done during the process. Sometimes the posthumous diagnosis is considered a kind of medical diagnosis.
Heterogeneity is not unusual, as medical conditions are usually defined pathologically (i.e. based on the state of the patient), as in "liver inflammation", or clinically (i.e. based on the apparent symptoms of the patient), as in "excessive urination", rather than etiologically (i.e. based on the underlying cause of the symptoms).