| Cardiovascular
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Aortic aneurysm rupture, Aortic Arch Syndrome, Aortic Isthmus Stenosis, Aortic regurgitation, Aortic stenosis, Atrioventricular node conduction block, Baroceptor dysfunction in the elderly, Capillary leak syndrome, Cardiac tamponade, Cardiogenic shock, Carotid sinus hypersensitivity, Carotid sinus syndrome, Coarctation of aorta, Complete heart block, Constrictive pericarditis, Cor triatriatum, Dissecting aortic aneurysm, Distributive shock, Eisenmenger's syndrome, Embolism, Endocrine shock, Endotoxic shock, Heart arrhythmia, Heart block, Heart failure, Heart injury, Hemorrhagic shock, Hemorrhagic shock and encephalopathy syndrome , Hypertrophic obstructive cardiomyopathy, Hypovolemic shock, Idiopathic hypotension, Iliac artery aneurysm rupture, Internal bleeding, Ischaemic heart disease, Myocardial infarction, Myocardial ischemia, Obstructive shock, Orthostatic hypotension, Pericardial effusion, Pericarditis, Perimyocarditis, Peripheral vasodilation, Postural hypotension, Pulmonary embolism, Shock, Sick sinus syndrome, Supraventricular tachycardia , Syncope, Systemic capillary leak syndrome, Tetralogy of Fallot, Traumatic shock, Tricuspid stenosis, Vasovagal syncope, Ventricular fibrillation, WPW syndrome, B type natriuretic peptide, Aortocaval compression syndrome, Atrial myxoma, Post-tussive syncope
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| Chemical / poisoning
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Acetaldehyde, Adiponitrile , Amyl nitrate, Copper, Cyanides, Demeton-S-methyl, Diazinon , Dioxathion, Disulfoton , Ethion , Fensulfothion, Fenthion, Honey bee bite, Indian tobacco, Iodine containing radiocontrast media, Malathion, Methidathion, Methiocarb, Methomyl, Mushroom poisoning , Parathion, Phosdrin, Poison hemlock, Profenofos, Scorpion bite, Sodium nitrite, Terbufos, Tetraethyl pyrophosphate , Tetrodotoxin, Tobacco , Wasp bite
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| Dermatologic
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Mastocytosis
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| Drug Side Effect
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Acetophenazine, Alcuronium, Alfuzosin, Aliskiren, Alseroxylon, Ambenonium, Ambrisentan, Amifostine, Aminoglutethimide, Amitriptyline, Amlodipine, Amoxapine, Amphotericin B, Amrinone, Antipsychotic agents, Apomorphine, Azilsartan medoxomil, Baclofen, Beta blockers, Bethanechol, Bethanidine, Bortezomib, Bosentan, Bretylium, Bromocriptine, Bupivacaine, Cabergoline, Calcium channel blockers, Candesartan, Captopril, Chloroquine, Chlorpheniramine, Chlorpromazine, Chlorthalidone, Cilazapril, Cinnarizine, Clevidipine, Clomipramine, Clonidine, Colchicine, Cyclobenzaprine, Deserpidine, Desferrioxamine, Desipramine, Dexmedetomidine, Diazoxide, Dichlorvos , Dicobalt edetate, Dicrotophos , Diphenhydramine, Dipyridamole, Disopyramide, Distigmine, Diuretics, Donepezil , Dothiepin, Doxazosin, Doxepin, Enalapril, Epidural anaesthesia, Eplerenone, Epoprostenol, Etoposide, Felodipine , Fenoldopam, Fentanyl, Fosinopril, General anaesthesia, Glyceryl trinitrate, Granulocyte-macrophage colony stimulating factor, Gray baby syndrome, Guanadrel, Guanethidine, Guanfacine, Haloperidol, Hexamethonium, Hydralazine, Hydroxyzine, Imipramine, Indapamide, Indoramin, Interleukin 2, Irbesartan, Isosorbide dinitrate, Isosorbide mononitrate, Isoxsuprine, Isradipine, Ketanserin, Labetalol, L-DOPA, Levomepromazine, Levosimendan, Lidocaine , Lisinopril, Lithium, Lofexidine, Losartan, Mecamylamine, Methyldopa, Metirosine, Metolazone, Minoxidil, Morphine, Moxonidine, Nefazodone, Neostigmine, Niacin, Nicorandil, Nifedipine, Nimodipine, Nitroprusside, Nortriptyline, Olanzapine, , Olmesartan, Omapatrilat, Opioid poisoning, Paliperidone, Pentamidine, Perazine, Pergolide, Phenothiazines, Phenoxybenzamine, Phentolamine, Pimobendan, Pinacidil, Pipothiazine, Piribedil, Pramipexole, Prazosin, Protamine sulfate, Protriptyline, Quetiapine, Ramipril, Rasagiline, Reboxetine, Reserpine, Rilmenidine, Risperidone, Rituximab, Ropinirole, Rotigotine, Sassafras oil, Serotonin syndrome, Sildenafil, Silodosin, Sodium nitroprusside, Spironolactone, Streptokinase, Sulphonamides, Tacrine, Tadalafil, Tamsulosin, Terazosin, Tetrabenazine, Tizanidine, Tolazoline, Tramadol, Treprostinil, Trifluperidol, Trimethaphan, Trimipramine, Tubocurarine, Urapidil, Valerian, Valsartan, Vardenafil, Verapamil, Ziconotide, Zotepine, Diltiazem
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| Ear Nose Throat
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No underlying causes
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| Endocrine
|
ACTH deficiency, Acute adrenal insufficiency, Addisonian crisis, Addison's Disease, Adrenal hemorrhage, Adrenogenital syndrome, Adrenoleukodystrophy , B type natriuretic peptide, Congenital adrenal hyperplasia, Diabetes insipidus, Diabetic autonomic neuropathy, Diabetic ketoacidosis, Hyperosmolar hyperglycemic nonketotic coma, Hypoaldosteronism, Hyporeninemic hypoaldosteronism, Hypothyroidism, Myxedema, Myxedema coma, Panhypopituitarism, Pituitary insufficiency, Endocrine shock, Achalasia-addisonianism-alacrima syndrome, Allgrove syndrome, Triple-A syndrome, APECED Syndrome , Pseudohypoaldosteronism, Renon-Delille syndrome, Carcinoid syndrome
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| Environmental
|
No underlying causes
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| Gastroenterologic
|
Achalasia-addisonianism-alacrima syndrome, Acute liver failure , Acute pancreatitis, Allgrove syndrome, Bowel strangulation, Deglutition syncope, Diarrhea, Duodenal ulcer bleeding, Gastric ulcer bleeding, Gastric volvulus, Hepatitis, Intususception, Necrotizing enterocolitis, Paralytic Ileus, Peritonitis , Postprandial hypotension, Retroperitoneal haemorrhage, Small bowel obstruction, Splenic rupture, Triple-A syndrome, Tropical sprue , Variceal Bleeding, Vomiting, Hepatic vein thrombosis, Superior mesenteric artery occlusion
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| Genetic
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Acute intermittent porphyria, APECED Syndrome , Corticosteroid-binding globulin deficiency , Familial juvenile hyperuricemic nephropathy type 2, Hereditary peripheral nervous disorder , Hereditary sensory and autonomic neuropathy type 3, Pseudohypoaldosteronism, Renon-Delille syndrome, Riley-Day syndrome, Wohlwill-Andrade syndrome, Bartter syndrome, Achalasia-addisonianism-alacrima syndrome, Allgrove syndrome, Triple-A syndrome, Andrade's syndrome
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| Hematologic
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Anemia, Acute intermittent porphyria
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| Iatrogenic
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After a major surgery, Blood transfusion , Dialyzer hypersensitivity syndrome, Excessive fluid loss through dialysis, Gastric acid stimulation test using histamines, Mechanical ventilation, Post-operative, Renal dialysis, Transfusion Reaction
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| Infectious Disease
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Botulism, Cholera, Dengue hemorrhagic fever, Hantavirus, Lassa fever, Rocky mountain spotted fever , Septic shock, Septicemia , Toxic shock syndrome, Vibrio vulnificus, Waterhouse-Friederichsen syndrome, Weil syndrome
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| Musculoskeletal / Ortho
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Vertebral fracture, Cervical spine injury, Fracture of bone
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| Neurologic
|
Autonomic failure, Autonomic neuropathy, Binswanger's disease , Bradbury-Eggleston syndrome, DOPA decarboxylase deficiency, Dopamine beta-hydroxylase deficiency, Dysautonomia, Glosssopharyngeal neuralgia, Guillain-Barre Syndrome, Multiple system atrophy, Neurogenic shock, Parkinson's disease, Polyradiculitis, Seizures, Shy-Drager syndrome, Syringomyelia, Tabes dorsalis, Hemorrhagic shock and encephalopathy syndrome , Vasovagal syncope, Diabetic autonomic neuropathy, Hereditary peripheral nervous disorder , Hereditary sensory and autonomic neuropathy type 3, Riley-Day syndrome, Wohlwill-Andrade syndrome, Andrade's syndrome
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| Nutritional / Metabolic
|
Kwashiorkor
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| Obstetric/Gynecologic
|
Aortocaval compression syndrome, Ectopic pregnancy rupture, Ovarian hyperstimulation syndrome, Postpartum haemorrhage, Pregnancy, Puerpural shock, Septic abortion , Uterine rupture
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| Oncologic
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Atrial myxoma, Carcinoid syndrome , Pheochromocytoma, Serotonin-secreting tumor
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| Opthalmologic
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No underlying causes
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| Overdose / Toxicity
|
Acetophenazine, Alcuronium, Alfuzosin, Aliskiren, Alseroxylon, Ambenonium, Ambrisentan, Amifostine, Aminoglutethimide, Amitriptyline, Amlodipine, Amoxapine, Amphotericin B, Amrinone, Antipsychotic agents, Apomorphine, Azilsartan medoxomil, Baclofen, Beta blockers, Bethanechol, Bethanidine, Bortezomib, Bosentan, Bretylium, Bromocriptine, Bupivacaine, Cabergoline, Calcium channel blockers, Candesartan, Captopril, Chloroquine, Chlorpheniramine, Chlorpromazine, Chlorthalidone, Cilazapril, Cinnarizine, Clevidipine, Clomipramine, Clonidine, Colchicine, Cyclobenzaprine, Deserpidine, Desferrioxamine, Desipramine, Dexmedetomidine, Diazoxide, Dichlorvos , Dicobalt edetate, Dicrotophos , Diphenhydramine, Dipyridamole, Disopyramide, Distigmine, Diuretics, Donepezil , Dothiepin, Doxazosin, Doxepin, Enalapril, Epidural anaesthesia, Eplerenone, Epoprostenol, Etoposide, Felodipine , Fenoldopam, Fentanyl, Fosinopril, General anaesthesia, Glyceryl trinitrate, Granulocyte-macrophage colony stimulating factor, Gray baby syndrome, Guanadrel, Guanethidine, Guanfacine, Haloperidol, Hexamethonium, Hydralazine, Hydroxyzine, Imipramine, Indapamide, Indoramin, Interleukin 2, Irbesartan, Isosorbide dinitrate, Isosorbide mononitrate, Isoxsuprine, Isradipine, Ketanserin, Labetalol, L-DOPA, Levomepromazine, Levosimendan, Lidocaine , Lisinopril, Lithium, Lofexidine, Losartan, Mecamylamine, Methyldopa, Metirosine, Metolazone, Minoxidil, Morphine, Moxonidine, Nefazodone, Neostigmine, Niacin, Nicorandil, Nifedipine, Nimodipine, Nitroprusside, Nortriptyline, Olanzapine, , Olmesartan, Omapatrilat, Opioid poisoning, Paliperidone, Pentamidine, Perazine, Pergolide, Phenothiazines, Phenoxybenzamine, Phentolamine, Pimobendan, Pinacidil, Pipothiazine, Piribedil, Pramipexole, Prazosin, Protamine sulfate, Protriptyline, Quetiapine, Ramipril, Rasagiline, Reboxetine, Reserpine, Rilmenidine, Risperidone, Rituximab, Ropinirole, Rotigotine, Sassafras oil, Serotonin syndrome, Sildenafil, Silodosin, Sodium nitroprusside, Spironolactone, Streptokinase, Sulphonamides, Tacrine, Tadalafil, Tamsulosin, Terazosin, Tetrabenazine, Tizanidine, Tolazoline, Tramadol, Treprostinil, Trifluperidol, Trimethaphan, Trimipramine, Tubocurarine, Urapidil, Valerian, Valsartan, Vardenafil, Verapamil, Ziconotide, Zotepine, Magnesium overdose, Diltiazem
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| Psychiatric
|
Anorexia nervosa, Depression
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| Pulmonary
|
Post-tussive syncope, Pulmonary edema, Tension pneumothorax, Pulmonary embolism
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| Renal / Electrolyte
|
Bartter syndrome, Hypermagnesaemia, Hypokalemia, Hyponatremia, Familial juvenile hyperuricemic nephropathy type 2
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| Rheum / Immune / Allergy
|
Amyloidosis, Anaphylactoid reaction, Andrade's syndrome, Food additive allergy , Urticaria, X-ray studies using contrast media, Anaphylactic shock, Honey bee bite, Scorpion bite, Wasp bite, Mastocytosis , Blood transfusion , Dialyzer hypersensitivity syndrome, Transfusion Reaction, Guillain-Barre Syndrome, Wohlwill-Andrade syndrome
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| Sexual
|
Renon-Delille syndrome
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| Trauma
|
Blood vessel trauma, Burns, Cervical spine injury, Chemical burn, Fracture of bone, Severe burns, Shaken baby syndrome, Heart injury, Traumatic shock, Tension pneumothorax
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| Urologic
|
No underlying causes
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| Dental
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No underlying causes
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| Miscellaneous
|
Alcohol, Alcohol withdrawal syndrome, Decompression sickness, Dehydration, Excessive dieting , Fatigue, Heat exhaustion , Insufficient fluid intake, Low salt diet, Prolonged bed-rest, Snake bite, Valsalva maneuver, Volume depletion , Zero gravity , Micturition syncope, Syncope, Deglutition syncope, Hypothermia
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