As noted in recent news, the symptoms of an uncommon type of heart attack known as spontaneous coronary artery dissection (SCAD)1 is dangerously easy to overlook, as few SCAD patients have any history of or risk factors for heart disease. SCAD is a leading cause of heart attacks in healthy women under 55; the average age of SCAD patients is 42.
ABC News recounts the stories of two women whose sudden heart attacks were triggered by SCAD.2 Five weeks after giving birth to a healthy baby girl, Maryn Cox suddenly developed troubling symptoms. “It felt like pressure, possibly gas; acid reflux, I wasn’t sure what it was. One of my arms went numb, I started getting nauseous; cold sweats,” she says. The symptoms, while common, turned out to be SCAD, a condition few have ever heard of.
While SCAD is a cause of heart attack, it’s different from a heart attack caused by coronary artery disease. Essentially, SCAD occurs when the layers of your blood vessel wall tear apart from each other, trapping blood between the layers. As the blood pools and collects between the layers, your blood vessel gets choked off, killing heart muscle tissue downstream from the blockage, thereby triggering a heart attack.
Signs and Symptoms of SCAD
Commonly reported signs and symptoms of SCAD include the following. If you experience these symptoms, call for immediate emergency medical assistance (in the U.S., call 911). It’s important to realize that many who develop SCAD are otherwise quite healthy and most do not have risk factors for heart disease. For this reason, it’s important to seek medical attention if you experience symptoms of SCAD, in order to avoid a lethal heart attack.
Indeed, the No. 1 symptom of a heart attack is sudden death, and the same applies to SCAD. In essence, by the time recognizable symptoms of a heart attack occur, you’re well on your way toward death, so early intervention is crucial.
|Radiating pain in your neck, back or jaw||Shortness of breath|
|Pain, tightness, pressure or discomfort in your chest (some women report feeling like their bra is suddenly too tight, even though they know it’s not)||Stomach pain|
|Fatigue||Pain radiating down one or both arms|
For whatever reason, SCAD tends to be more common in women — especially younger women, and following pregnancy — although it’s a relatively rare condition overall. While the cause for SCAD is unknown, medical experts have theorized the gender difference may have something to do with hormonal variations. Common risk factors for SCAD include:
- Being female (80 percent of SCAD patients are women)
- Recently giving birth (20 percent of SCAD patients have recently given birth)
- Underlying blood vessel conditions such as fibromuscular dysplasia (a condition that causes abnormal cell growth in the arteries)
- Extreme physical exercise
- Severe emotional stress
Best Treatment for SCAD Is Allowing Body to Heal Naturally
Because the underlying cause of SCAD is still unknown, the best course of treatment has been equally uncertain. However, according to a recent scientific statement by Mayo Clinic researchers, SCAD sufferers tend to benefit the most from “conservative treatment, letting the body heal on its own.”3
Dr. Sharonne Hayes, the Mayo Clinic cardiologist who since 2010 has dedicated herself to the study of SCAD (see videos above), says, “It may seem counterintuitive, but we discovered that treating SCAD the same way we treat heart attacks due to atherosclerosis can cause further tearing and damage to the vessel. [T]he initial proper diagnosis is critical in guiding the care.”
The Mayo Clinic consensus statement is a significant step forward, providing health care providers with information about how to diagnose and treat SCAD. Importantly, their findings reveal that, in most patients who were not treated with a stent, the dissection in the blood vessel healed on its own within weeks or months.
In some patients, healing began within mere days. The statement also recommends a tailored cardiac rehabilitation program for patients, and stresses the importance of addressing mental health, as anxiety and depression tend to be quite common in SCAD patients.
Many Women Mistake Heart Attack Symptoms With Anxiety or Stress
In related research,4,5 researchers found women are less likely to report chest pain when having a heart attack. According to the authors, compared to men, “women were more likely to perceive symptoms as stress/anxiety (20.9 percent versus 11.8 percent) but less likely to attribute symptoms to muscle pain (15.4 percent versus 21.2 percent).” They were also more likely to use terms such as “pressure,” “tightness” or “discomfort” in the chest rather than referring to it as chest pain.
They also found that a significantly greater number of women reported their doctor did not think their symptoms were heart-related. Overall, 53 percent of female heart attack patients reported this, compared to just 37 percent of men.
Nearly 30 percent of women had actually sought medical help prior to being hospitalized with a heart attack, compared to just 22 percent of men. What these findings suggest is that both women and their doctors tend to misdiagnose or dismiss symptoms of heart attack, placing them at increased risk of death than men. As noted by the authors:
“The presentation of [acute myocardial infarction] symptoms was similar for young women and men, with chest pain as the predominant symptom for both sexes. Women presented with a greater number of additional non-chest pain symptoms regardless of the presence of chest pain, and both women and their health care providers were less likely to attribute their prodromal symptoms to heart disease in comparison with men.”
Top 6 Factors That Predict Your Heart Attack Risk
If you want to reduce your risk of a heart attack, you should absolutely pay attention to your diet and exercise habits. These, along with four other habits, are said to make young women more or less “heart attack-proof,” according to research published in the Journal of the American College of Cardiology.6 Women who adhered to all six guidelines lowered their heart disease risk by 92 percent. Based on these findings, the researchers estimated that more than 70 percent of heart attacks could be prevented by implementing the following:
2.Normalizing your body weight (your waist-to-hip ratio being a more reliable risk predictor than body mass index, as it reflects your visceral fat deposits)
3.Getting at least 2.5 hours of exercise each week and moving regularly throughout the day
4.Restricting your TV watching to seven or fewer hours per week
6.Limiting alcohol intake to one drink or less per day
These results echo those of a 2014 study,7 which concluded that the following five healthy lifestyle strategies could prevent nearly 80 percent of first-time heart attacks in men. As noted by the authors, “It is not surprising that healthy lifestyle choices would lead to a reduction in heart attacks … What is surprising is how drastically the risk dropped due to these factors.”
- A healthy diet
- Being physically active (walking/bicycling ≥ 40 minutes/day and exercising ≥ one hour/week)
- Maintaining a healthy waist circumference (waist circumference < 37.4 inches or 95 centimeters)
- Moderate alcohol consumption (10 to 30 grams/day)
- No smoking
Watch the video to learn more:
Breakfast, blood sugar, & inflammation
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Sponsored Health Resources
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