Which of the following is considered an atypical feature of hypertension?

Early onset of hypertension is considered an atypical feature, particularly when hypertension occurs in young individuals, such as adolescents or young adults. Typically, hypertension is more prevalent as people age, and it often manifests in middle-aged or older individuals. The presence of hypertension at an early age may indicate a secondary cause, such as a genetic disorder or endocrine dysfunction, rather than the common primary form of the disease seen in older populations.

In contrast, a family history of hypertension is a well-recognized risk factor and is considered a typical feature. Low sodium intake generally relates to dietary habits that can help manage hypertension, whereas high potassium levels are often seen in patients with conditions such as kidney disease but are not a typical feature associated directly with hypertension itself. Each of these features highlights different aspects of cardiovascular health, making early onset particularly noteworthy as it deviates from expected norms in hypertension presentation.