Some heart and blood vessel problems are emergencies. Others can wait for a clinic visit but should not be ignored. Find your symptom below. Tap a symptom to see what it may mean.
These signs can mean a heart attack, a stroke, a blocked artery, a blood clot in the lungs, fluid in the lungs from heart failure, or a tear in the aorta. Do not wait to see if they go away. Do not drive yourself; ask someone to take you.
It may come with shortness of breath, cold sweat, nausea or lightheadedness. Women may have less typical signs. This can be a heart attack. Go even if you are not sure. [Ref: AHA Heart Attack Warning Signs] [Ref: ESC 2023 ACS]
Learn about heart attackThis can mean a sudden blockage of blood flow (acute limb ischemia). Fast treatment can save the limb. [Ref: ACC/AHA/SVM 2024 PAD] [Ref: ESC 2024 PAAD]
Learn about PADThese are signs of a stroke. Go to the emergency room even if the signs go away within minutes. That may be a mini-stroke (TIA), a warning that a bigger stroke may follow. [Ref: AHA/ASA Stroke Warning Signs] [Ref: ESVS 2023 Carotid]
Learn about carotid disease and strokeThese can be signs of a blood clot in the lungs (pulmonary embolism). [Ref: ESC 2019 PE] [Ref: AHA/ACC 2026 PE] [Ref: AHA VTE Symptoms]
Learn about DVT and PEIt is often the worst pain you have ever felt. It may move from the chest to the back or belly, and come with fainting or stroke-like signs. This can mean a tear in the aorta (dissection) or a burst aneurysm. [Ref: AHA Aorta Health] [Ref: ESC 2024 PAAD] [Ref: ESVS 2024 AAA]
Learn about aortic diseaseThis can be a fast-spreading infection or gangrene. [Ref: IWGDF/ESVS/SVS 2023 Diabetes and PAD]
Learn about diabetic foot careThis can be sudden heart failure, with fluid building up in the lungs. [Ref: ESC 2026 HF] [Ref: AHA Heart Failure Warning Signs]
Learn about heart failureThis can be a dangerous heart rhythm problem (arrhythmia). [Ref: ESC 2022 VA] [Ref: ACC/AHA/HRS 2018 Bradycardia]
Learn about arrhythmiasVery high blood pressure with these symptoms can be damaging the heart, brain or kidneys. [Ref: ESC 2024 HTN] [Ref: PSH/PHA 2024 Acute Severe BP] [Ref: AHA BP Readings]
Learn about high blood pressureThis can be a blood clot in a deep vein (DVT). It needs a same-day ultrasound. If you also feel short of breath, go to the emergency room now. [Ref: ESVS 2021 Venous Thrombosis] [Ref: ESC 2019 PE] [Ref: AHA VTE Symptoms]
Learn about DVT and PEThis can be superficial vein thrombosis, a clot in a vein just under the skin. It needs an ultrasound soon, and the same day if it is in the thigh, near the groin or behind the knee. If you also feel short of breath, go to the emergency room now. [Ref: ESVS 2021 Venous Thrombosis] [Ref: JAMA 2025 Superficial Vein Thrombosis]
Learn about superficial vein thrombosisIt may ease when you hang your leg over the side of the bed. This can mean blood flow is too low to keep the foot healthy (chronic limb-threatening ischemia). [Ref: GVG 2019 CLTI] [Ref: ACC/AHA/SVM 2024 PAD]
Learn about PADThis matters most if you have diabetes, smoke, or have been told you have poor circulation. [Ref: GVG 2019 CLTI] [Ref: IWGDF/ESVS/SVS 2023 Diabetes and PAD]
See a doctor today. This can be an infection, or Charcot foot, a problem with the bones of the foot. Nerve damage can hide pain and fever. [Ref: IWGDF 2023 Practical Guidelines]
Learn about diabetic foot careSee a doctor today. This can be angina. If it happens at rest, lasts more than a few minutes or keeps getting worse, go to the emergency room now. [Ref: AHA Angina] [Ref: ESC 2024 CCS]
Learn about anginaRest for a minute and check again. If it is still that high, contact your doctor today. [Ref: ESC 2024 HTN] [Ref: PSH/PHA 2024 Acute Severe BP] [Ref: AHA BP Readings]
Fluid may be building up. Your doctor may need to adjust your medicines. [Ref: ESC 2026 HF] [Ref: AHA Heart Failure Warning Signs]
Learn about heart failureThis is called claudication. It is the most common symptom of peripheral artery disease. [Ref: ACC/AHA/SVM 2024 PAD] [Ref: ESC 2024 PAAD]
Learn about PAD[Ref: ESVS 2022 Chronic Venous Disease]
Learn about vein diseaseThese changes can mean long-standing vein disease and a higher chance of leg ulcers. [Ref: ESVS 2022 Chronic Venous Disease]
Learn about vein diseaseRelatives may need a screening scan too. [Ref: ESC 2024 PAAD] [Ref: ACC/AHA 2022 Aortic] [Ref: ESVS 2024 AAA]
Learn about aortic diseaseA specialist can advise on medicines and follow-up. [Ref: ESVS 2023 Carotid]
Learn about carotid diseasePeople with diabetes should have their feet and pulses checked at least once a year. [Ref: IWGDF/ESVS/SVS 2023 Diabetes and PAD]
Learn about diabetic foot careThis is how high blood pressure is diagnosed in the Philippines. Readings of 130/80 or higher are also worth talking to your doctor about. [Ref: PSH/PHA 2020 HTN] [Ref: AHA/ACC 2025 HBP]
Learn about high blood pressureThese can be early signs of heart failure. [Ref: AHA Heart Failure Warning Signs]
Learn about heart failureThis can be lymphedema. Treatment works best when started early. [Ref: ISL 2023 Lymphedema]
Learn about lymphedemaThis can be atrial fibrillation or another arrhythmia. An ECG taken during the symptoms helps find the cause. [Ref: ESC 2024 AF]
Learn about arrhythmias