Cold temperatures cause blood vessels to constrict. As a result, the heart has to work harder to maintain proper blood circulation. This additional strain on the cardiovascular system may cause discomfort, especially in individuals with chronic heart and vascular conditions.
Warning sign:
If pressure or pain in the chest increases, this may indicate a serious condition and requires immediate medical attention.
The cardiovascular system and the effects of cold weather in winter
During the winter months, a drop in air temperature affects all systems of the body. The cardiovascular system, in particular, is placed under increased strain in cold weather. Temperature changes cause blood vessels to constrict, which forces the heart to work harder to maintain proper blood circulation. This effect may be noticeable even in healthy individuals; however, the risk is significantly higher for people with existing cardiovascular conditions.
Why is the cardiovascular system under greater strain in winter?
Main reasons why the cardiovascular system is under greater strain during winter include:
- Reflex constriction of blood vessels in cold weather
- A tendency for blood pressure to rise
- Reduced physical activity
- Increased energy expenditure as the body works to maintain warmth
Together, these factors place additional stress on the heart and blood vessels.
How does the cardiovascular system work in winter and cold weather?
In cold weather, peripheral blood vessels constrict to conserve body heat. This diverts blood to the vital organs. As a result, the heart has to work harder and more frequently. Although the cardiovascular system adapts to these conditions, prolonged exposure to cold can pose risks.
Effects of cold weather on the cardiovascular system
Cold weather can have the following effects on the cardiovascular system:
- Reduced vascular elasticity
- Impaired blood circulation
- Fluctuations in blood pressure
- Changes in heart rhythm
These effects are particularly more pronounced in older adults and in individuals with pre-existing heart conditions.
Why does the risk of cardiovascular diseases increase in winter and cold weather?
During the winter season, the main reasons for the increased risk of cardiovascular diseases include:
- Cold weather causing blood vessel constriction (vasospasm)
- Infections placing additional strain on the heart
- Reduced physical activity
- Changes in dietary habits
Together, these factors can weaken cardiovascular health and increase the risk of complications. If you experience chest tightness, shortness of breath, rapid fatigue, or discomfort in the heart area during the winter months, do not ignore these symptoms. At Saglam Aile, comprehensive cardiovascular examinations, diagnostic tests, and specialist consultations are provided. Based on your condition, an individualized treatment and monitoring plan is developed. You can undergo your examinations in a comfortable environment and entrust your health to reliable, professional care.