Search results
Results from the WOW.Com Content Network
The heart rate slowed slightly just after the gas mixture inhalation. It is believed that the initial BP depression with the decreased heart rate is due to the direct depressant effect of CO 2 upon the heart and that the return of blood pressure to its original level was due to the rapid rise of . After 30–90 min, the respiratory center was ...
A heart attack can cause symptoms such as: Chest pain that often radiates to your left shoulder, neck, or arm. Abdominal pain. Shortness of breath. Fatigue. Pressure or heaviness in your chest ...
The most common symptoms of POTS are rapid heart rate within 10 minutes of standing or sitting up, lightheadedness and fainting, fatigue, brain fog, nausea, and shortness of breath.
Dyspnea can come in many forms, but it is commonly known as shortness of breath or having difficulty breathing. People presenting with dyspnea usually show signs of rapid and shallow breathing, use of their respiratory accessory muscles, and may have underlying conditions causing the dyspnea, such as cardiac or pulmonary diseases. [5]
Many different conditions can lead to the feeling of dyspnea (shortness of breath). DiagnosisPro, an online medical expert system, listed 497 in October 2010. [1] The most common cardiovascular causes are acute myocardial infarction and congestive heart failure while common pulmonary causes include: chronic obstructive pulmonary disease, asthma, pneumothorax, and pneumonia.
"Signs of heart disease include an irregular or rapid heartbeat, shortness of breath, unusual fatigue or swelling in your legs or ankles," he says. If you're concerned about your heart health, it ...
Early symptoms include headache, dizziness, fast heart rate, shortness of breath, and vomiting. [2] This phase may then be followed by seizures, slow heart rate, low blood pressure, loss of consciousness, and cardiac arrest. [2] Onset of symptoms usually occurs within a few minutes. [2] [3] Some survivors have long-term neurological problems. [2]
The rapid heart rate, if fast enough, reduces the opportunity for the "pump" to fill between beats decreasing cardiac output and consequently blood pressure. The following symptoms are typical with a rate of 150–270 or more beats per minute: [11] Pounding heart; Rapid heart beat; Shortness of breath; Chest pain; Rapid breathing; Dizziness ...