The nurse assesses a client with a history of migraine headaches. Which clinical manifestation would the nurse identify as an early sign of a migraine with an aura?
A.
Numbness of the fingers
B.
Visual disturbances
C.
Lethargy
D.
Vertigo
The correct answer and Explanation is :
The correct answer is B. Visual disturbances.
Explanation
Migraine headaches can be accompanied by a variety of symptoms, and understanding these can help in early identification and management. Migraines with aura are characterized by specific neurological symptoms that typically precede the headache phase.
Early Signs of a Migraine with Aura
- Visual Disturbances: This is the most common early sign of a migraine with aura. These disturbances can include seeing flashes of light, zigzag lines, or experiencing partial loss of vision. Visual auras are often described as scintillating scotomas or halos around lights. They usually start before the headache begins and can last from a few minutes to an hour.
- Numbness of the Fingers: While numbness or tingling can occur during the aura phase of a migraine, it is less common than visual disturbances. This sensory change might be localized to the fingers or spread to other parts of the body.
- Lethargy: Lethargy or fatigue might be experienced during the postdrome phase of a migraine, which is after the headache has resolved. It is not typically an early sign of a migraine with aura.
- Vertigo: Vertigo or a spinning sensation can occur during a migraine, but it is not usually considered an early sign of a migraine with aura. It may be present during the headache phase or as part of vestibular migraine.
In summary, visual disturbances are the most characteristic early sign of a migraine with aura, as they typically precede the headache phase and are often used to differentiate migraine with aura from other types of headaches. Identifying these early signs can aid in timely management and possibly mitigate the severity of the migraine.