Which of the following would NOT be considered a red flag for a cardiogenic cause of syncope?

The scenario in which syncope occurs while standing would not typically be considered a red flag for a cardiogenic cause of syncope. In many cases, syncope that occurs in an upright position is more often linked to vasovagal syncope, orthostatic hypotension, or similar non-cardiogenic origins, particularly if there is no accompanying history of significant structural heart disease or arrhythmias.

In contrast, syncope associated with symptoms such as chest pain, dyspnea, and a family history of sudden cardiac death raises significant concern for underlying cardiac issues. Such symptoms are commonly indicative of potential serious cardiovascular problems, including arrhythmias, myocardial infarction, or structural abnormalities of the heart, which necessitate further evaluation.

Being aware of the context in which different types of syncope occur helps in distinguishing between non-cardiogenic causes and those that are more likely to have a cardiogenic origin. Thus, the correct choice appropriately reflects the recognition that standing-related syncope is less likely to imply a cardiovascular emergency, while other symptoms indicate a higher risk for a serious cardiogenic cause.