how to know if you're losing too much blood?
10885
When blood loss nears 30 to 40 percent of total blood volume, your body will have a traumatic reaction. Your blood pressure will drop down even further, and your heart rate will further increase. You may show signs of obvious confusion or disorientation. Your breathing will be more rapid and shallow.
1200294
['Easy or excessive bruising (purpura)', 'Superficial bleeding into the skin that appears as a rash of pinpoint-sized reddish-purple spots (petechiae), usually on the lower legs.', 'Prolonged bleeding from cuts.', 'Bleeding from your gums or nose.', 'Blood in urine or stools.', 'Unusually heavy menstrual flows.', 'Fatigue.', 'Enlarged spleen.']
525332
['bleeding, including blood clots.', 'cramping.', 'nausea and vomiting.', 'sweating.', 'feeling faint.']
668506
Heavy bleeding is a more serious sign. Heavy bleeding may be caused by a problem with the placenta. Any amount of bleeding also may signal preterm labor. If you have any bleeding late in pregnancy, contact your ob-gyn right away or go immediately to the hospital.
155833
['pain or discomfort at the puncture site.', 'bleeding.', 'fainting or lightheadedness.', 'an accumulation of blood under your skin, such as hematoma or bruising.', 'infection at the puncture site.']
743354
['bleeding has restarted.', 'swelling that is large or increasing in size.', 'numbness or pins and needles in the arm, hand or fingers.', 'severe or worsening pain.', 'coldness or paleness of the lower arm, or hand of the affected arm.']
623716
['Hematoma.', 'Seroma.', 'Blood loss.', 'Infection.', 'Nerve damage.', 'Blood clots.', 'Organ damage.', 'Scarring.']
2091
Most women will lose less than 16 teaspoons of blood (80ml) during their period, with the average being around 6 to 8 teaspoons. Heavy menstrual bleeding is defined as losing 80ml or more in each period, having periods that last longer than 7 days, or both. But it's not usually necessary to measure blood loss.
1016529
['very low blood pressure.', 'rapid heart rate.', 'sweaty, wet skin that often feels cool to the touch.', 'little or no urine.', 'vomiting blood.', 'loss of consciousness.', 'leakage of blood from the eyes, ears, or nose.', 'organ failure.']
417312
The average adult has about 4 to 6 liters of blood (9 to 12 US pints) in their body. The average man has more blood than the average woman, and people who weigh more or are taller than others have more blood. This means a person can die from losing 2 1/2 to 4 liters of blood.
1135922
Untreated heavy or prolonged bleeding can stop you from living your life to the fullest. It also can cause anemia. Anemia is a common blood problem that can leave you feeling tired or weak. If you have a bleeding problem, it could lead to other health problems.
177692
A change of just 20 mm Hg — a drop from 110 systolic to 90 mm Hg systolic, for example — can cause dizziness and fainting when the brain fails to receive enough blood. And big drops, such as those caused by uncontrolled bleeding, severe infections or allergic reactions, can be life-threatening.
269013
Blood Clot Symptoms If you develop a blood clot, you may experience: Unexplained, sudden high blood pressure (hypertension) Leg pain, swelling, redness and warmth, which are symptoms of a deep vein thrombosis (DVT), which often is a leg blood clot.
138651
Generally, a blood loss of <15% of total blood volume leads to only a small increase in heart rate and no significant change in arterial pressure. When blood loss is 15 to 40%, mean arterial and pulse pressures fall, and heart rate increases, with the magnitude of these changes being related to how much blood is lost.
1026941
['Fever.', 'Bleeding or bruising.', 'Feeling weak, tired, or sick.', 'Feeling dizzy, faint, or sweaty.', 'Pain or tingling in your arms, legs, or abdomen.', 'Trouble breathing, thinking, or seeing.', 'Losing weight without trying, or a poor appetite.']
1351384
Hypovolemic shock is a dangerous condition that happens when you suddenly lose a lot of blood or fluids from your body. This drops your blood volume, the amount of blood circulating in your body.
875493
Period blood volume varies from woman to woman. Generally, if you soak through one or more pads or tampons an hour, you have menorrhagia — an abnormally heavy menstrual flow. Along with the heavy bleeding, you might have signs of anemia, such as fatigue or shortness of breath.