What are the signs of a stroke?

The signs of a stroke include sudden numbness or weakness of the face, arm, or leg, especially on one side of the body. This specific symptom is critical because it often results from impaired blood flow to regions of the brain that control movement and sensation. This unilateral weakness or numbness is a classic presentation of a stroke and is part of the FAST acronym used to help identify stroke symptoms (Facial drooping, Arm weakness, Speech difficulties, and Time to call emergency services). Recognizing these symptoms promptly is essential for initiating timely medical intervention, which can significantly affect outcomes for stroke patients.

While the other options outline various health conditions or symptoms, they do not specifically pertain to the presentation of a stroke. For example, persistent headache and dizziness can occur due to a variety of other medical issues, such as migraines or inner ear problems. Rapid heart rate and high blood pressure might also be indicative of an underlying cardiovascular condition but are not direct signs of a stroke. Loss of consciousness and fainting can result from numerous causes, including dehydration, but they do not directly characterize the typical signs of a stroke. Thus, identifying the specific signs associated with a stroke is crucial for effective response and treatment.