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min. fast heart rate, normal blood pressure: minimal II: 15–30% (0.75–1.5 L) fast heart rate, min. low blood pressure: intravenous fluids III: 30–40% (1.5–2 L) very fast heart rate, low blood pressure, confusion: fluids and packed RBCs IV >40% (>2 L) critical blood pressure and heart rate: aggressive interventions
Serotonin is a neurotransmitter involved in multiple complex biological processes including aggression, pain, sleep, appetite, anxiety, depression, migraine, and vomiting. [10] In humans the effects of excess serotonin were first noted in 1960 in patients receiving an MAOI and tryptophan. [54] The syndrome is caused by increased serotonin in ...
A normal resting heart rate is 60 to 100 beats per minute. A resting heart rate of more than 100 beats per minute is defined as a tachycardia. During an episode of SVT, the heart beats about 150 to 220 times per minute. [9] Specific treatment depends on the type of SVT [5] and can include medications, medical procedures, or surgery. [5]
The most common symptoms of POTS are rapid heart rate within 10 minutes of standing or sitting up, lightheadedness and fainting, ... Anxiety. Anxiety and POTS have a somewhat complicated ...
Symptoms typically include anxiety, shakiness, sweating, vomiting, fast heart rate, and a mild fever. [1] More severe symptoms may include seizures, and delirium tremens (DTs); which can be fatal in untreated patients. [1] Symptoms start at around 6 hours after the last drink. [2]
In many ways, this reaction is the opposite of the sympathetic response, in that it slows the heart rate and can cause the patient to either regurgitate or temporarily lose consciousness. The evolutionary value of this is unclear, although it may have allowed for prey to appear dead to avoid being eaten. [2]
Panic attacks are associated with many different symptoms, with a person experiencing at least four of the following symptoms: increased heart rate, chest pain, palpitations (i.e. feeling like your heart is pounding out of your chest), difficulty breathing, choking sensation, nausea, abdominal pain, dizziness, lightheadedness (i.e. feeling like ...
Social anxiety often manifests specific physical symptoms, including blushing, sweating, rapid heart rate, and difficulty speaking. [29] As with all phobic disorders, those with social anxiety often attempt to avoid the source of their anxiety; in the case of social anxiety, this is particularly problematic, and in severe cases, it can lead to ...