American Academy of Allergy Asthma & Immunology. Dog alerting and/or responding to epileptic seizures: A scoping review. Heart attack (myocardial infarction).Ĭatala A, Cousillas H, Hausberger M, Grandgeorge M. Sense of impending doom: inhibitory activity in waiting blood donors who subsequently experience vasovagal symptoms. The inhibitory neuromodulator, adenosine, is a promising candidate for a sleep-inducing factor: its concentration is higher during wakefulness than during sleep, it accumulates in the brain during prolonged wakefulness, and local perfusions as well as systemic administration of adenosine and its agonists induce sleep and decrease wakefulness. A missed diagnosis or a masquerading disease: back to the basics. The experiences of myocardial infarction patients readmitted within six months of primary percutaneous coronary intervention. Iles-Smith H, Deaton C, Campbell M, Mercer C, McGowan L. Pulmonary embolism presenting with itinerant chest pain and migratory pleural effusion: A case report. Effects of different methods of general anesthesia on intraoperative awareness in surgical patients. Anaphylaxis: An overwhelming allergic reaction. The Limbic System in Haines DE, Mihailoff GA Eds. Fundamental Neuroscience for Basic and Clinical Applications (Fifth Edition). The role of diseases, risk factors and symptoms in the definition of multimorbidity - a systematic review. Willadsen TG, Bebe A, Køster-Rasmussen R, et al. New perspective on the pathophysiology of panic: merging serotonin and opioids in the periaqueductal gray. Heart attacks: A sense of doom may precede a heart attack.Seizures: Both an epileptic aura and non-epileptic psychogenic seizures can cause a sense of impending doom.Other symptoms often include the sudden onset of sharp chest pain, which increases with a deep breath and may rapidly progress to lightheadedness and unconsciousness. Pulmonary emboli: Pulmonary emboli are clots that travel to the lungs after breaking off in the legs (deep venous thrombosis).These chemicals can cause a sudden increase in blood pressure, a rapid heart rate, sweating, and possibly a sense of impending doom. Pheochromocytoma: This type of adrenal gland tumor is often caused by a massive release of catecholamines such as adrenaline ( epinephrine), noradrenaline (norepinephrine), and dopamine.Intraoperative awareness: Sometimes people "wake up" during surgery, also called anesthesia awareness or unintended awareness.Exposure to toxins and poisonings: This includes, in particular, the jellyfish stings noted earlier and cyanide poisoning, in which a sense of impending doom is often the first symptom.Symptoms of anxiety and impending doom occur before other symptoms like shortness of breath, palpitations, and blood pressure drop. Blood transfusion reactions: Transfusions may trigger allergic reactions (anaphylaxis) with hemolysis (breakdown) of the transfused red blood cells.Anaphylaxis: A severe allergic reaction can bring a sense of impending doom.
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