Misdiagnosis of Hidden Causes of Arrhythmias

Underlying conditions list:

The list of possible underlying conditions mentioned in various sources for Arrhythmias includes:

• Heart disease
• Heart block
• Cardiomyopathy
• Stress
• Caffeine
• Tobacco
• Alcohol
• Diet pills (see Weight symptoms)
• Cough and cold medicines
• Reactive hypoglycemia (type of Hypoglycemia)
• See also palpitations and causes of palpitations
• Sea wasp poisoning - Chironex fleckeri - reduced heart rate
• Long QT syndrome type 6 - arrhythmias
• Long QT syndrome type 11 - arrhythmias
• Hashimoto's Thyroiditis - slow pulse
• Digoxin antidepressant poisoning - bradycardia
• Acute Renal Failure - tachycardia
• Tetrodotoxin
• General anaesthesia (see Anaesthesia)
• Snake bite (Viperidae)
• Metaraminol
• Amitriptyline
• Organic solvent
• Naratriptan
• Dilated cardiomyopathy
• Vertebral fracture - Bradycardia
• Vasovagal attack - slow heartbeat
• Sedative hypnotic drug poisoning - bradycardia
• Necrotizing enterocolitis - bradycardia
• Mitral valve prolapse, familial, autosomal dominant - arrhythmias
• Methaemoglobinaemia - Arrhythmias
• Felodipine toxicity - bradycardia
• Climbing Onion poisoning - slow pulse
• Atrial cardiomyopathy with heart block - atrial fibrillation
• Argentinean hemorrhagic fever - reduced heart rate
• Aortic Valve Insufficiency - heart murmur
• Amanita polypyramis poisoning - slow heartbeat
• Levomepromazine
• Hyperthyroidism - tachycardia
• Sinus node disease - slow heart beat
• Leukomalacia - bradycardia
• High T4 syndrome - atrial fibrillation
• Becker Muscular Dystrophy - Arrhythmias
• Nortriptyline
• Pipothiazine
• Holt-Oram syndrome - arrhythmia
• Scleroderma - arrhythmias
• Sea wasp poisoning (Chiropsalmus quadrigatus) - reduced heart rate
• Nimodipine toxicity - bradycardia
• Mc Leod neuroacanthocytosis syndrome - atrial fibrillation
• Long QT syndrome type 9 - arrhythmias
• Lidocaine toxicity - bradycardia
• Guillain-Barre Syndrome - arrhythmias
• Andersen cardiodysrhythmic periodic paralysis
• Trichinella spiralis
• Desipramine
• Uhl anomaly - Tachycardia
• Mustard tree poisoning - irregular pulse
• Mitral regurgitation - atrial fibrillation
• Lily-of-the-Valley poisoning - irregular pulse
• Herbal Agent overdose - Peppermint Oil - atrial fibrillation
• Donepezil toxicity - bradycardia
• Chemical poisoning - Fluoridated toothpaste - reduced heart rate
• Calcium channel blocker poisoning - bradycardia
• Anorexia Nervosa - slow pulse
• Amlodipine toxicity - bradycardia
• Sinus arrhythmia
• Mitral valve prolapse - arrhythmia
• Myocarditis - arrhythmia
• Perazine
• Tribavirin
• Hypokalaemia
• Kawasaki disease - arrhythmia
• Yellow fever - slow pulse
• Romano-Ward syndrome - arrhythmias
• Organophosphate insecticide poisoning - tachycardia
• Mountain Laurel poisoning - slow pulse
• Medullary Sponge Kidney - cardiac arrythmias
• Everlasting pea poisoning - slow pulse
• Endomyocardial fibrosis - atrial fibrillation
• Eisenmenger Syndrome - heart murmur
• Crotalaria poisoning - reduced heart rate
• Zolmitriptan
• Rheumatic heart disease - Atrial fibrillation
• Palpitations - Tachycardia
• Hypothermia - slow heartbeat
• Hypokalemia - cardiac arrhythmias
• Heart injury - Tachycardia
• Clonidine poisoning - bradycardia
• Cardiomyopathy, Alcoholic - irregular pulse
• Arrhythmogenic right ventricular dysplasia
• Digoxin
• Amphotericin B
• Fabry's disease - arrhythmias
• Respiratory failure - Tachycardia
• Thallium
• Typhoid fever - bradycardia
• Tacrine toxicity - bradycardia
• Skull fracture - Bradycardia
• Magnesium deficiency - Arrhythmias
• Long QT syndrome type 2 - arrhythmias
• Kentucky coffee tea poisoning - irregular pulse
• Iatrogenic pneumothorax - Bradycardia
• Heat exhaustion - slow pulse
• Dothiepin
• Cocaine
• Drug overdose
• Hypothyroidism - bradycardia
• Nifedipine toxicity - bradycardia
• Long QT syndrome type 3 - arrhythmias
• Lithium poisoning - arrhythmias
• Heart cancer - Heart murmurs
• Foxglove poisoning - irregular pulse
• Ebstein's anomaly - arrhythmias
• Diltiazem toxicity - bradycardia
• Chromosome 19p duplication syndrome - bradycardia
• Carbamate insecticide poisoning - tachycardia
• Bolivian hemorrhagic fever - reduced heart rate
• Young Simpson syndrome - Bradycardia
• Wolf-Parkinson-White syndrome - atrial fibrillation
• Tricuspid valve diseases - Heart murmur
• Opioid poisoning - bradycardia
• Oleander poisoning - slow pulse
• Metabolic Acidosis - cardiac arrythmias
• Malignant hyperthermia - cardiac arrhythmias during anesthesia
• Long QT syndrome type 4 - arrhythmias
• Heart valve diseases - Irregular pulse
• Cyclic antidepressant poisoning - tachycardia
• Cuban lily poisoning - reduced heart rate
• Cardiac valvular dysplasia, X-linked - irregular pulse
• Cardiac malformation - heart murmurs
• Bradycardia - Bradycardia
• Beta-blocker poisoning - bradycardia
• Asphyxia neonatorum - bradycardia
• Quinidine
• Hyperkalaemia
• Sumatriptan
• Sudden Arrhythmia Death Syndrome - arrhythmias
• Long QT syndrome type 5 - arrhythmias
• Long QT syndrome type 10 - arrhythmias
• Jaundice - slow pulse
• Isradipine toxicity - bradycardia
• Hypertensive heart disease - Irregular pulse
• Cyclosporine toxicity - irregular pulse
• Aortic arches defect - reduced heart rate
• Chlorpromazine
• Hypomagnesemia
• Bretylium
• Bicuspid aortic valve - heart murmur
• Watermelon stomach - Tachycardia
• Volume depletion - Tachycardia
• Vibrio vulnificus infection - Tachycardia
• Toxemia - Tachycardia
• Pheochromocytoma as part of Neurofibromatosis - tachycardia
• Myopathy, early-onset with fatal cardiomyopathy - arrhythmia
• Multiple endocrine neoplasia - Tachycardia
• Malignant hyperthermia susceptibility type 6 - tachycardia
• Generalized resistance to thyroid hormone - tachycardia
• Familial hypertrophic cardiomyopathy 9 - arrhythmia
• Dystrophia myotonica 1 - arrhythmia
• Aorta conditions - Heart murmur
• Anticholinergics poisoning - tachycardia
• Zunich neuroectodermal syndrome - Heart murmur
• Wilms' tumor - Heart murmur
• Western equine encephalitis - Tachycardia
• Velocardiofacial syndrome - Heart murmur
• Trimipramine toxicity - cardiac arrhythmias
• Quetiapine toxicity - tachycardia
• Pulmonary edema of mountaineers - tachycardia
• Postoperative septicaemia - Tachycardia
• Plant poisoning - Oleander (Nerium oleander) - cardiac arrhythmias
• Mucopolysaccharidosis VI - Heart murmur
• Cor Triatriatum - heart murmurs
• Chromosome 20q duplication syndrome - congenital heart murmur
• Bacterial meningitis - Tachycardia
• Aorto-ventricular tunnel - heart murmur
• Acute intermittent porphyria - tachycardia
• Wilms tumour and pseudohermaphroditism - Heart murmur
• Vibrio - Tachycardia
• Takayasu arteritis - bruit on upper chest
• Rheumatic fever - heart murmur
• Pheochromocytoma - tachycardia
• Mucopolysaccharidosis type I Hurler syndrome - heart murmur
• Long QT syndrome - arrhythmia
• Loeffler's endocarditis - tachycardia
• Imipramine toxicity - cardiac arrhythmias
• Hypokalemic periodic paralysis - tachycardia
• Hyperadrenalism - tachycardia
• Heart Murmur - loud heart murmur
• Doxepin toxicity - cardiac arrhythmias
• Diphtheria - arrhythmia
• Chromosome 12q duplication syndrome - heart murmur
• Bacterial diseases - Tachycardia
• Atrial Septal Defect - heart murmur
• Aortic coarctation - heart murmur
• Amitriptyline toxicity - cardiac arrhythmias
• Prinzmetal's variant angina - arrhythmia
• Waterhouse-Friederichsen syndrome - tachycardia
• Ventricular septal defect - Tachycardia
• Sepsis - Tachycardia
• Respiratory conditions - Tachycardia
• Marfan syndrome - heart murmur
• Hypertrophic cardiomyopathy - heart murmur
• Familial hypertrophic cardiomyopathy 1 - arrhythmia
• Cutaneous mastocytosis - Tachycardia
• Chromosome 7p deletion syndrome - heart murmur
• Cardioauditory syndrome of Sanchez- Cascos - heart murmur
• Bacterial digestive infections - Tachycardia
• Bacteremia - Tachycardia
• Aortic valves stenosis of the child - heart murmur
• Anaesthesia complications - Tachycardia
• X-linked sideroblastic anemia - Tachycardia
• Warm-reacting-antibody haemolytic anemia - Tachycardia
• Vancomycin resistant enterococcal bacteremia - Tachycardia
• Valvular dysplasia of the child - Tachycardia
• Snake bite - Tachycardia
• Penfield syndrome - tachycardia
• Nortriptyline toxicity - cardiac arrhythmias
• Multiple endocrine neoplasia type 1 - Tachycardia
• Mallory-Weiss syndrome - tachycardia
• Familial hypertrophic cardiomyopathy 2 - arrhythmia
• Endocardial fibroelastosis - tachycardia
• Conotruncal heart malformations - heart murmur
• Bright's Disease - tachycardia
• Aortic valve disease - heart murmur
• Acute rheumatic fever - heart murmur
• Fallot syndrome - arrhythmia
• WAGR Syndrome - Heart murmur
• Trisomy 5 mosaicism - heart murmur
• Pulmonary venous return anomaly - heart murmur
• Postoperative respiratory failure - Tachycardia
• Nipah virus encephalitis - tachycardia
• Neuroleptic Malignant Syndrome - tachycardia
• Multiple endocrine neoplasia type 2 - Tachycardia
• Mucopolysaccharidoses - Heart murmur
• Mitral valve prolapse syndrome - heart murmur
• Familial hypertrophic cardiomyopathy 3 - arrhythmia
• Desipramine toxicity - cardiac arrhythmias
• Congenital heart defects - heart murmurs
• Aplastic anemia - tachycardia
• Adrenal incidentaloma - tachycardia
• Adrenal gland hyperfunction - tachycardia
• Adrenal Cancer - tachycardia
• Muscular dystrophy, Duchenne and Becker type - tachycardia
• Xanthic urolithiasis - Tachycardia
• Viral digestive infections - Tachycardia
• Ventriculo-arterial discordance, isolated - Tachycardia
• Ventricular familial preexcitation syndrome - Tachycardia
• Variegate porphyria - tachycardia
• Theophylline poisoning - tachycardia
• Respiratory infections - Tachycardia
• Protriptyline toxicity - cardiac arrhythmias
• Postoperative pulmonary embolism - Tachycardia
• Multiple endocrine neoplasia type 3 - Tachycardia
• Malignant hyperthermia susceptibility type 1 - tachycardia
• Familial hypertrophic cardiomyopathy 4 - arrhythmia
• Dermatomyositis - tachycardia
• Coronaro-cardiac fistula - heart murmur
• Congenital mitral malformation - heart murmur
• Congenital cardiovascular malformations - heart murmur
• Clomipramine Toxicity - cardiac arrhythmias
• Chromosome 3, monosomy 3p - heart murmur
• Carcinoid syndrome - tachycardia
• Caffeine poisoning - tachycardia
• Asymmetric septal hypertrophy - arrhythmia
• Adrenal adenoma, familial - tachycardia
• Wheezing - Tachycardia
• Vascular malposition - Tachycardia
• Sedative dependence - Tachycardia
• Pulmonary incompetence - Heart murmur
• Pulmonary embolism - tachycardia
• Protozoan Conditions - Tachycardia
• Malignant hyperthermia susceptibility type 2 - tachycardia
• Graves Disease - tachycardia
• Familial hypertrophic cardiomyopathy 10 - arrhythmia
• Cor biloculare - heart murmur
• Chromosome 9, monosomy 9p - heart murmur
• Chromosome 17q, partial duplication - heart murmur
• Chagas disease - arrhythmia
• Boerhaave syndrome - tachycardia
• Beta-Adrenergic poisoning - tachycardia
• Atrioventricular septal defect - arrhythmia
• Amoxapine toxicity - cardiac arrhythmias
• Yorifuji Okuno syndrome - Heart murmur
• Wilms tumor and radial bilateral aplasia - Heart murmur
• Ventricular extrasystoles perodactyly Robin sequence - Tachycardia
• Transfusion Reaction - Tachycardia
• Pulmonary supravalvular stenosis - heart murmur
• Pulmonary branches stenosis - heart murmur
• Postpartum haemorrhage - Tachycardia
• Peanut Allergy - tachycardia
• Midline field defects - heart murmur
• Malignant hyperthermia susceptibility type 3 - tachycardia
• Infective endocarditis - heart murmur
• Familial hypertrophic cardiomyopathy 6 - arrhythmia
• Endocarditis - heart murmur
• DiGeorge's syndrome - heart murmur
• Chromosome 17p, partial deletion - heart murmur
• Bone-Marrow failure syndromes - tachycardia
• Bacterial endocarditis - heart murmur
• Aldehyde syndrome - tachycardia
• Seronegative spondyloarthropathy - Heart murmur
• Respiratory system cancer - Tachycardia
• Pulmonary valve disease - Heart murmur
• Mungan syndrome - heart murmur
• Malignant hyperthermia susceptibility type 4 - tachycardia
• Iron deficiency - Tachycardia
• Hypovolemia - tachycardia
• Familial hypertrophic cardiomyopathy 7 - arrhythmia
• Ehlers-Danlos syndrome, cardiac valvular form - arrhythmia
• Chromosome 8p inverted duplication syndrome - heart murmur
• Axenfeld-Rieger anomaly with cardiac defects and sensorineural hearing loss - heart murmur
• Amyloidosis - arrhythmia
• Amphetamine poisoning - tachycardia
• Adrenal medulla neoplasm - tachycardia
• Acute stress disorder - Tachycardia
• Acute radiation sickness - tachycardia
• Wolcott-Rallison syndrome - Heart murmur
• Pulmonary heart disease - Tachycardia
• Pulmonary atresia - intact ventricular septum - heart murmur
• Malignant hyperthermia susceptibility type 5 - tachycardia
• Kozlowski-Celermajer syndrome - heart murmur
• Hepatorenal tyrosinemia - tachycardia
• Groll-Hirschowitz syndrome - tachycardia
• Familial hypertrophic cardiomyopathy 8 - arrhythmia
• Cocaine poisoning - tachycardia
• Chromosome 4q duplication syndrome - heart murmur
• Antimony poisoning - heart arrhythmias
• Pena Shokeir syndrome, type 1 - heart arrhythmias
• Hyperkalemic periodic paralysis - Heart arrhythmias
• Ischemic heart disease - Cardiac arrhythmias
• Venlafaxine toxicity - cardiac arrhythmia
• Leukodystrophy - Cardiac arrhythmias
• Hematochromatosis - Cardiac arrhythmias
• Emery-Dreifuss muscular dystrophy, X-linked - cardiac arrhythmia
• Hyporeninemic hypoaldosteronism - heart arrhythmia
• Binswanger's Disease - heart arrhythmia
• Scleroderma sine scleroderma - heart arrhythmia

Other underlying conditions related to Arrhythmias:

• Pulse abnormalities

Source: Diseases Database

Arrhythmias as a complication:

Other conditions that might have Arrhythmias as a complication might be potential underlying conditions. The list of conditions listing Arrhythmias as a complication includes:

• Binswanger's Disease
• Cardiomyopathy
• Diphtheria
• Fallot syndrome
• Hematochromatosis
• Hypokalemia
• Kawasaki disease
• Mitral-valve prolapse
• Muscular dystrophy, Duchenne and Becker type
• Prinzmetal's variant angina
• Scleroderma

Arrhythmias Causes: Book Excerpts

• Differential Diagnosis - Bradycardia
• Differential Diagnosis - Palpitations
• Differential Diagnosis - Tachycardia
• Differential Diagnosis - Irregular Heart Rhythms
• Differential Diagnosis - Murmurs - Diastolic
• Differential Diagnosis - Murmurs - Systolic
• Differential Diagnosis - Bradycardia
• Differential Diagnosis - Tachycardia/Palpitations
• Medical causes - Bradycardia
• Medical causes - Murmurs
• Medical causes - Palpitations
• Medical causes - Pulse rhythm abnormality
• Medical causes - Pulse, absent or weak
• Medical causes - Pulsus bisferiens
• Medical causes - Tachycardia
• Causes - Cardiac arrhythmias
• Medical causes - Bradycardia
• Medical causes - Murmurs
• Medical causes - Palpitations
• Medical causes - Pulse rhythm abnormality
• Medical causes - Pulse, absent or weak
• Medical causes - Pulsus bisferiens
• Medical causes - Tachycardia
• Differential Overview - Bradycardia
• Differential Overview - Palpitations/Tachycardia
• Differential Overview - Diastolic Murmur
• Differential Overview - Systolic Murmur
• Differential Overview - Continuous Murmur
• Causes - Cardiac arrhythmias
• Medical causes - Bradycardia
• Medical causes - Murmurs
• Medical causes - Palpitations
• Medical causes - Pulse rhythm abnormality
• Medical causes - Tachycardia
• Medical causes - Bradycardia
• Medical causes - Murmurs
• Medical causes - Palpitations
• Medical causes - Pulse rhythm abnormality
• Medical causes - Pulse, absent or weak
• Medical causes - Pulsus bisferiens
• Medical causes - Tachycardia
• Principal Causes of Heart Murmurs (Asymptomatic) - Heart Murmurs (Asymptomatic)
• Medical causes - Bradycardia
• Medical causes - Murmurs
• Medical causes - Palpitations
• Medical causes - Pulse rhythm abnormality
• Medical causes - Pulse, absent or weak
• Medical causes - Pulsus bisferiens
• Medical causes - Tachycardia

Arrhythmias as a symptom:

Conditions listing Arrhythmias as a symptom may also be potential underlying conditions.

For a more detailed analysis of Arrhythmias as a symptom, including causes, drug side effect causes, and drug interaction causes, please see our Symptom Center information for Arrhythmias.

• Amitriptyline toxicity
• Amoxapine toxicity
• Amyloidosis
• Antimony poisoning
• Arthrogryposis multiplex congenita - pulmonary hypoplasia
• Asymmetric septal hypertrophy
• Atrioventricular septal defect
• Becker Muscular Dystrophy
• Chagas disease
• Clomipramine Toxicity
• Desipramine toxicity
• Diphtheria
• Donepezil toxicity
• Doxepin toxicity
• Dystrophia myotonica 1
• Ebstein's anomaly
• Ehlers-Danlos syndrome, cardiac valvular form
• Emery-Dreifuss muscular dystrophy, X-linked
• Endocardial fibroelastosis
• Fabry's Disease
• Familial hypertrophic cardiomyopathy 1
• Familial hypertrophic cardiomyopathy 10
• Familial hypertrophic cardiomyopathy 2
• Familial hypertrophic cardiomyopathy 3
• Familial hypertrophic cardiomyopathy 4
• Familial hypertrophic cardiomyopathy 6
• Familial hypertrophic cardiomyopathy 7
• Familial hypertrophic cardiomyopathy 8
• Familial hypertrophic cardiomyopathy 9
• Guillain-Barre Syndrome
• Heart block
• Heart cancer
• Heart conditions
• Heart disease
• Heart injury
• Holt-Oram Syndrome
• Hyperkalemic periodic paralysis
• Hypokalemia
• Hyporeninemic hypoaldosteronism
• Imipramine toxicity
• Ischemic heart disease
• Leukodystrophy
• Lidocaine toxicity
• Lithium poisoning
• Long QT syndrome
• Long QT syndrome type 10
• Long QT syndrome type 11
• Long QT syndrome type 2
• Long QT syndrome type 3
• Long QT syndrome type 4
• Long QT syndrome type 5
• Long QT syndrome type 6
• Long QT syndrome type 9
• Magnesium deficiency
• Methaemoglobinaemia
• Mitral valve prolapse, familial, autosomal dominant
• Mitral-valve prolapse
• Myocarditis
• Myopathy, early-onset with fatal cardiomyopathy
• Nortriptyline toxicity
• Palpitations
• Pena Shokeir syndrome, type 1
• Plant poisoning - Foxglove (Digitalis purpurea)
• Plant poisoning - Oleander (Nerium oleander)
• Protriptyline toxicity
• Romano-Ward syndrome
• Scleroderma sine scleroderma
• Sudden Arrhythmia Death Syndrome
• Tacrine toxicity
• Trimipramine toxicity
• Uhl anomaly
• Venlafaxine toxicity

Discussion of underlying conditions of Arrhythmias:

Many arrhythmias occur in people who do not have underlying heart disease. (Source: excerpt from NHLBI, Arrhythmia: NHLBI)

About underlying conditions:

With a diagnosis of Arrhythmias, it is important to consider whether there is an underlying condition causing Arrhythmias. These are other medical conditions that may possibly cause Arrhythmias. For general information on this form of misdiagnosis, see Underlying Condition Misdiagnosis or Overview of Misdiagnosis.
 » Next page: Misdiagnosis of Medication Causes of Arrhythmias

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• Medical Malpractice and Arrhythmias
• Associated Conditions of Arrhythmias
• Treatments for Arrhythmias
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