2020年2月4日 · Devenney E, et al. A systematic review of causes of sudden and severe headache (thunderclap headache): Should lists be evidence based? The Journal of Headache …

2024年11月2日 · Pain such as a sudden, severe headache or chest pain. Rapid or irregular heartbeat. Loss of feeling or movement in the arms or legs, stumbling or trouble walking, or …

2020年6月13日 · Sudden blood loss; Upper airway obstruction (blockage in the breathing passage) In the case of shortness of breath that has lasted for weeks or longer (called …

2018年5月4日 · A panic attack is a sudden episode of intense fear that triggers severe physical reactions when there is no real danger or apparent cause. Panic attacks can be very …

2024年11月1日 · Sudden, unexpected death. Rarely, a single seizure causes death. This is called sudden unexpected death in epilepsy (SUDEP). Seizures that aren't managed well and other …

2022年8月10日 · Sudden onset of confusion that includes memory loss, seen by a witness Being awake and alert and knowing who you are, despite memory loss Normal cognition, such as the …

2022年11月30日 · Tinnitus. Tinnitus can be caused by a number of things, including broken or damaged hair cells in the part of the ear that receives sound (cochlea); changes in how blood …

2021年7月29日 · Sudden or frequent urge to urinate or inability to control passing urine; Depression or apathy; Vascular dementia symptoms may be most clear-cut when they occur …

2023年7月7日 · For women who have migraines, headaches might begin just before or shortly after onset of menstruation. They might also change during pregnancy or menopause. …

2023年3月29日 · Overview. Essential tremor is a nervous system condition, also known as a neurological condition, that causes involuntary and rhythmic shaking.