1 You have dizziness along with symptoms of a heart attack. 2  Chest pain or pressure, or a strange feeling in the chest. 3  Sweating. 4  Shortness of breath. 5  Nausea or vomiting. 6  Pain, pressure, or a strange feeling in the back, neck, jaw, or upper belly or in one or both shoulders or arms.  Lightheadedness or sudden weakness.
http://www.webmd.com/brain/tc/dizziness-lightheadedness-and-vertigo-check-your-symptoms
For a medical symptom description of 'Lightheadedness', the following symptom information may be relevant to the symptoms: Dizziness (symptom). However, note that other causes of the symptom 'Lightheadedness' may be possible. More information on symptom: Dizziness: Dizziness.
http://www.rightdiagnosis.com/symptom/lightheadedness.htm
Lightheadedness usually is not a cause for concern unless it is severe, does not go away, or occurs with other symptoms such as an irregular heartbeat or fainting. Lightheadedness can lead to falls and other injuries. Lie down for a minute or two. This will allow more blood to flow to your brain.
http://www.emedicinehealth.com/dizziness_lightheadedness_and_vertigo-health/page2_em.htm
1 You have dizziness along with symptoms of a heart attack. 2  Chest pain or pressure, or a strange feeling in the chest. 3  Sweating. 4  Shortness of breath. 5  Nausea or vomiting.  Pain, pressure, or a strange feeling in the back, neck, jaw, or upper belly or in one or both shoulders or arms.
http://www.webmd.com/brain/tc/dizziness-lightheadedness-and-vertigo-check-your-symptoms
Research the causes of these related symptoms that are similar to, or related to, the symptom Lightheadedness: 1  Vertigo (169 causes) 2  Balance difficulty (1691 causes)  Weakness (3752 causes)
http://www.rightdiagnosis.com/symptom/lightheadedness.htm
Lightheadedness usually is not a cause for concern unless it is severe, does not go away, or occurs with other symptoms such as an irregular heartbeat or fainting. Lightheadedness can lead to falls and other injuries. Protect yourself from injury if you feel lightheaded: Lie down for a minute or two.
http://www.emedicinehealth.com/dizziness_lightheadedness_and_vertigo-health/page2_em.htm
1 Vertigo - see also causes of vertigo. 2  Emotional stress. 3  Lightheadedness. 4  Fainting - see causes of fainting.  Syncope.
http://www.rightdiagnosis.com/symptom/lightheadedness.htm
Call 911 anytime you think you may need emergency care. 1  You passed out (lost consciousness). 2  You have dizziness along with symptoms of a heart attack. 3  Chest pain or pressure, or a strange feeling in the chest. 4  Sweating. 5  Shortness of breath.  Nausea or vomiting.
http://www.webmd.com/brain/tc/dizziness-lightheadedness-and-vertigo-check-your-symptoms
1 You have dizziness along with symptoms of a heart attack. These may include: 2  Chest pain or pressure, or a strange feeling in the chest. 3  Sweating. 4  Shortness of breath. 5  Nausea or vomiting.  Pain, pressure, or a strange feeling in the back, neck, jaw, or upper belly or in one or both shoulders or arms.
http://www.webmd.com/brain/tc/dizziness-lightheadedness-and-vertigo-check-your-symptoms
All 1357 causes of Dizziness. Research the causes of these related symptoms that are similar to, or related to, the symptom Lightheadedness: 1  Vertigo (169 causes)  Balance difficulty (1691 causes)
http://www.rightdiagnosis.com/symptom/lightheadedness.htm
what causes lightheadedness
The Lightheadedness causes Dizziness. Dizziness causes lightheadedness.