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2. Lightheadedness - Wikipedia

   en.wikipedia.org/wiki/Lightheadedness

   Causes: Hypotension, hypoglycaemia, arrhythmia, anaemia, hypokalaemia, thrombosis, water intoxication, dehydration: Risk factors: Poor dietary or diabetic management, genetic predisposition to cardiac arrhythmia: Diagnostic method: Based on symptoms. Some thrombotic pre-syncope may be indicated by a troponin serum level. Treatment: Dependent on ...

3. Syncope (medicine) - Wikipedia

   en.wikipedia.org/wiki/Syncope_(medicine)

   Causes range from non-serious to potentially fatal. [1] There are three broad categories of causes: heart or blood vessel related; reflex, also known as neurally mediated; and orthostatic hypotension. [1] Issues with the heart and blood vessels are the cause in about 10% and typically the most serious while neurally mediated is the most common. [1]

4. Brain ischemia - Wikipedia

   en.wikipedia.org/wiki/Brain_ischemia

   Brain ischemia has been linked to a variety of diseases or abnormalities. Individuals with sickle cell anemia, compressed blood vessels, ventricular tachycardia, plaque buildup in the arteries, blood clots, extremely low blood pressure as a result of heart attack, and congenital heart defects have a higher predisposition to brain ischemia in comparison to the average population.

5. Heat syncope - Wikipedia

   en.wikipedia.org/wiki/Heat_syncope

   This condition occurs within five days of acclimatization to higher temperatures, before the blood volume expands. [3] The result is less blood to the brain, causing light-headedness and fainting when a person stands up quickly or stands for a long period of time. Those who perform strenuous work outside in warm climates are at particular risk.

6. Arterial embolism - Wikipedia

   en.wikipedia.org/wiki/Arterial_embolism

   This may cause permanently decreased organ function. [citation needed] For example, symptoms of myocardial infarction mainly include chest pain, dyspnea, diaphoresis (an excessive form of sweating), weakness, light-headedness, nausea, vomiting, and palpitations. [citation needed]

7. OB/GYNs Explain When You Should (and Shouldn’t) Worry ... - AOL

   www.aol.com/ob-gyns-explain-shouldn-t-151600275.html

   “A usual flow may last anywhere from three to five to up to seven days and it may start off light, get heavy, and slowly resolve.” ... it can cause bleeding and blood clots. Ovarian cysts can ...

8. 'I Almost Died From Blood Clots In My Lungs At 62 ... - AOL

   www.aol.com/almost-died-blood-clots-lungs...

   Pulmonary embolism is the third leading cause of death from cardiovascular disease and happens when blood clots block an artery in the lungs, so blood and gas cannot flow normally.

9. Thromboembolism - Wikipedia

   en.wikipedia.org/wiki/Thromboembolism

   Thromboembolism is a condition in which a blood clot breaks off from its original site and travels through the bloodstream (as an embolus) to obstruct a blood vessel, causing tissue ischemia and organ damage. Thromboembolism can affect both the venous and arterial systems, with different clinical manifestations and management strategies.