Tachycardia: Causes & Reasons

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Possible Causes for Tachycardia

Cardiac Arrhythmia

Tachycardias that originate in the atria include supraventricular tachycardia, atrial fibrillation, Wolff-Parkinson-White syndrome and atrial flutter. [symptoma.com]

In 30 of 32 patients (94%) with an inducible tachycardia during invasive EPS, it was also possible to induce the tachycardia by TAS. [doi.org]

Fast tachycardias can cause hemodynamic collapse and sudden cardiac death. The causes, mechanisms, and origins of tachycardias are various. [intechopen.com]

Acute Amphetamine Intoxication

Diaphoresis Mydriasis Severe intoxication characterized by: Tachycardia HTN Hyperthermia Agitated delirium Seizures Diaphoresis Hypotension and respiratory distress may precede [emergency.unboundmedicine.com]

Benzodiazepines are the drug of choice for controlling anxiety, agitation, hypertension, and tachycardia. [clinicaladvisor.com]

[…] coingestions Evaluate for symptoms of end organ injury: Chest pain Shortness of breath Headache, confusion, and vomiting Physical Exam Common findings include: Agitation Tachycardia [emergency.unboundmedicine.com]

Atrial Arrhythmia

tachycardia (n = 10). [ncbi.nlm.nih.gov]

Catheter ablation was highly effective for RA tachycardia (100%). [ncbi.nlm.nih.gov]

[…] re-entrant tachycardia Atrioventricular nodal re-entrant tachycardia Clinical relevance The clinical importance of a tachycardia in an individual patient is related to the [ncbi.nlm.nih.gov]

Supraventricular Tachycardia

paroxysmal Av junctional paroxysmal rapid heart rate AV paroxysmal tachycardia His bundle tachycardia Junctional ectopic tachycardia Junctional ectopic tachycardia (fast [icd9data.com]

Supraventricular tachycardia does not include those tachycardia rhythms that originate from the ventricles (ventricular tachycardias) such as ventricular tachycardia or ventricular [emedicinehealth.com]

Atenolol was effective for the tachycardia. At 2 years follow up, cardiac function was normal and tachycardia had not recurred. [ncbi.nlm.nih.gov]

Cardiomyopathy

Junctional ectopic tachycardia (JET) is a rare form of arrhythmia that is most commonly seen during infancy. [ncbi.nlm.nih.gov]

Case 2 presented isolated LVNC with nonsustained ventricle tachycardia. A cesarean section was performed at 36 weeks' gestation because of placenta previa. [ncbi.nlm.nih.gov]

Palpitations (fluttering in the chest) due to abnormal heart rhythms (arrhythmias) such as atrial fibrillation or ventricular tachycardia. [my.clevelandclinic.org]

Atrial Fibrillation

In the emergency department, atrial fibrillation persisted and he experienced additional episodes of ventricular tachycardia. [ncbi.nlm.nih.gov]

There are three major types of tachycardia: Atrial tachycardia (starting in the atria) Supraventricular tachycardia (starting above the ventricles) Ventricular tachycardia [columbiasurgery.org]

There are many forms of tachycardia. Most people think of tachycardia as a supraventricular tachycardia, but there are many other forms of tachycardia. [uihc.org]

Pulmonary Edema

In both procedures, patients developed severe hypertension and tachycardia, with subsequent oxygen desaturations with noted pulmonary edema. [ncbi.nlm.nih.gov]

Results for the categorical variables were as follows: hyperglycemia (OR 10.25, 95% CI 4.82-21.76), tachycardia (OR 6.21, 95% CI 3.02-12.75), hypertension (OR 3.79, 95% CI [ncbi.nlm.nih.gov]

She subsequently developed agitation, increasing tachypnea and tachycardia, and a persistent cough. Her lungs had diffuse crackles and rhonchi. [professional.diabetes.org]

Diabetic Autonomic Neuropathy

Cardiac autonomic neuropathy (CAN) has been linked to resting tachycardia, postural hypotension, orthostatic bradycardia and orthostatic tachycardia (POTTS), exercise intolerance [ncbi.nlm.nih.gov]

Physical examination is likely to indicate variability in heart rate (resting tachycardia followed by bradycardia and later a fixed heart rate). [symptoma.com]

The manifestations of DAN cause multiple symptoms and involve the 1) cardiovascular system: resting tachycardia, reduced heart rate variability and circadian rhythm of heart [ncbi.nlm.nih.gov]

Hypovolemia

Class I hemorrhage (loss of 0-15%) In the absence of complications, only minimal tachycardia is seen. [emedicine.medscape.com]

One of the signs and symptoms of hypovolemia is tachycardia (Nursing, 2000). Tachycardia is the medical term for rapid heartbeat (Mayo Clinic). [brighthub.com]

Tachycardia is sensitive but not specific indicator. [openanesthesia.org]

Heart Failure

We describe the novel use of bilateral cardiac sympathectomy in a woman with end-stage heart failure caused by ventricular tachycardia refractory to standard medical therapy [ncbi.nlm.nih.gov]

Cardiac causes include arrhythmias (tachycardia or bradycardia), structural heart disease, and myocardial dysfunction (systolic or diastolic). [emedicine.medscape.com]

Postoperatively, our patient has not experienced any symptoms of ventricular tachycardia, has returned to normal physical activity, and is no longer under consideration for [ncbi.nlm.nih.gov]

Atrial Flutter

[…] that was shown by fetal magnetocardiography to have transient AFl in addition to atrioventricular reciprocating tachycardia. [ncbi.nlm.nih.gov]

Tachycardia was terminated with cavotricuspid isthmus ablation. [ncbi.nlm.nih.gov]

Atrial flutter, atrial fibrillation, and other primary atrial tachycardias. [experts.umn.edu]

Autonomic Neuropathy

Patients presented with multiple different autonomic disorders, including postural tachycardia syndrome, gastrointestinal dysmotility, and complex regional pain syndrome. [ncbi.nlm.nih.gov]

The most common form of autonomic neuropathy is postural orthostatic tachycardia syndrome (POTS). [symptoma.com]

The patient underwent treatment for symptomatic urinary tract infection and while her fever and leucocytosis resolved, tachycardia persisted. [ncbi.nlm.nih.gov]

Neurocirculatory Asthenia

Mookadam, Postural tachycardia syndrome and coronary artery bridge, Europace, 10, 4, (482), (2008). Satoshi Umeda, Neil A. Harrison, Marcus A. Gray, Christopher J. [doi.org]

Periods of sinus tachycardia and sinus arrhythmia were recorded from the patients during sleep. [ncbi.nlm.nih.gov]

Abstract Postural Tachycardia Syndrome. [doi.org]

Paroxysmal Nodal Tachycardia

A dual demand pacemaker was implanted to sense and interrupt attacks of tachycardia automatically. [ncbi.nlm.nih.gov]

Dual-demand pacing for reciprocating atrioventricular tachycardia. Br Med J. 1976 May 8;1(6018):1114–1116. [ncbi.nlm.nih.gov]

Long-term follow-up after radiofrequency ablation of paroxysmal supraventricular tachycardia in patients with tachycardia-induced atrial fibrillation. [link.springer.com]

Pulmonary Embolism

The most common ECG finding in the setting of a pulmonary embolism is sinus tachycardia. [healio.com]

Neurological examination returned to base line status but sinus tachycardia and low saturation value on room air were continuing. [ncbi.nlm.nih.gov]

Tracheobronchomalacia is an uncommon condition, which presents with similar symptoms to pulmonary embolism, including hypoxemia, tachycardia, and shortness of breath. [ncbi.nlm.nih.gov]

Hyperthyroidism

The fetuses were considered in hyperthyroid status based on high levels of maternal TRAb, a goiter, and persistent tachycardia. [ncbi.nlm.nih.gov]

Prenatal ultrasonography of a pregnant woman with a past history of total thyroidectomy for Graves' disease detected fetal tachycardia, fetal growth restriction and oligohydramnios [ncbi.nlm.nih.gov]

Fetal tachycardia was detected at 17 wk in the fourth pregnancy. [ncbi.nlm.nih.gov]

High-Output Heart Failure

Hyperthyroidism causes tachycardia-mediated cardiomyopathy and thus high output heart failure and is often accompanied by atrial fibrillation. [symptoma.com]

Her EKG showed sinus tachycardia at 108 beats per minute. ECHO showed a normal ejection fraction with moderate mitral regurgitation. [shmabstracts.com]

Patients may present with the usual signs of high-output heart failure including tachycardia, elevated pulse pressure, hyperkinetic precordium, and jugular venous distension [ncbi.nlm.nih.gov]

Sick Sinus Syndrome

Tachycardias that occur with sick sinus syndrome are characterized by a long pause after the tachycardia. [en.wikipedia.org]

A fast heart rate (tachycardia) may be treated with medicine. Sometimes, a procedure called radiofrequency ablation is used to cure tachycardia. [nlm.nih.gov]

(SSS, Bradycardia-tachycardia syndrome) Progression of Sick Sinus Syndrome (SSS, Bradycardia-tachycardia syndrome) Symptoms of Sick Sinus Syndrome (SSS, Bradycardia-tachycardia [healthengine.com.au]

Paroxysmal Supraventricular Tachycardia

paroxysmal Av junctional paroxysmal rapid heart rate AV paroxysmal tachycardia His bundle tachycardia Junctional ectopic tachycardia Junctional ectopic tachycardia (fast [icd9data.com]

The incidence of supraventricular tachycardia increases with age. [ncbi.nlm.nih.gov]

Paroxysmal supraventricular tachycardia with Wenckebach block is an uncommon electrocardiographic finding. [ncbi.nlm.nih.gov]

Chronic Right-Sided Congestive Heart Failure

Electrocardiogram • Old MI or recent MI • Arrhythmia • Some forms of Cardiomyopathy are tachycardia related • LBBB→may help in management 28. [slideshare.net]

These include atrial fibrillation and ventricular tachycardia. [healio.com]

Other compensatory changes are increase of blood volume by retention of salt and water and tachycardia. [histopathology-india.net]

Dilated Cardiomyopathy

tachycardia Atrioventricular tachycardia Permanent junctional reciprocating tachycardia Atrial pacing at high rates Ventricular causes Premature ventricular complexes Right [escardio.org]

The treatment is of a dilated cardiomyopathy is aimed at the cause if potentially reversible (i.e. selenium deficiency or tachycardia mediated) and towards blockage of the [healio.com]

Heart Failure and Sudden Death in Patients With Tachycardia-Induced Cardiomyopathy and Recurrent Tachycardia. [escardio.org]

Paroxysmal Ventricular Tachycardia

Rapid ventricular pacing, at a rate of up to 50 beats/min faster than the tachycardia rate terminated 7 of the tachycardias. [ncbi.nlm.nih.gov]

tachycardia related to late ventricular or atrial premature contractions. [ncbi.nlm.nih.gov]

QRS complex aspect depends on the origin site of the tachycardia. [symptoma.com]

Torsades De Pointes

If there is aberrant ventricular conduction, it will produce a wide QRS complex tachycardia that may be difficult to distinguish from ventricular tachycardia, although the [visualdx.com]

Assume any wide-complex tachycardia is ventricular tachycardia until proven otherwise (it is safer to incorrectly assume a ventricular dysrhythmia than supraventricular tachycardia [wikem.org]

Numerous medications can predispose patients to this deadly tachycardia. [ncbi.nlm.nih.gov]

Ventricular Tachycardia

Sustained ventricular tachycardia Ventricular tachycardia Ventricular tachycardia, monomorphic Ventricular tachycardia, nonsustained Ventricular tachycardia, paroxysmal Ventricular [icd9data.com]

Prognosis is excellent in individuals with idiopathic ventricular tachycardia. Heart diseases are the most common cause of ventricular tachycardia. [symptoma.com]

"Wide Complex Tachycardia - Ventricular Tachycardia or Not Ventricular Tachycardia, That Remains the Question". [en.wikipedia.org]

Plant Poisoning

These dysrhythmias include the following: Tachydysrhythmia, such as atrial tachycardia with block Junctional tachycardia Paroxysmal atrial tachycardia with block Bidirectional [emedicine.medscape.com]

The early phase consists of nicotinic cholinergic stimulation resulting in symptoms such as abdominal pain, hypertension, tachycardia, and tremors. [ncbi.nlm.nih.gov]

Acontium spp and Delphinum spp, may be in Asian herbal medicines sodium channel activator GI symptoms: N&V, abdominal cramps, diarrhoea tachycardia, dysrhythmia, shock CNS [lifeinthefastlane.com]

Pulmonary Infarction

There are many causes for tachycardia. However, unexplained tachycardia should raise the suspicion of a pulmonary embolism. [angiologist.com]

The most common ECG finding in the setting of a pulmonary embolism is sinus tachycardia. [healio.com]

Note the tachycardia and right axis. [en.ecgpedia.org]

Sinus Tachycardia

Normal sinus tachycardia is the most common among sinus tachycardia. [symptoma.com]

Sinus tachycardia ECG readout of an individual with sinus tachycardia. Here the heart rate is around 150. [en.wikipedia.org]

Causes of sinus tachycardia There are two types of tachycardia - physiological and pathological. [arrhythmia.center]

Acute Myocardial Infarction

Bidirectional ventricular tachycardia (BVT) is a rare ventricular tachyarrhythmia. [ncbi.nlm.nih.gov]

After 48h following the accident, the patient's condition rapidly deteriorated, with severe dyspnea at rest, tachycardia, and increasing chest pain. [ncbi.nlm.nih.gov]

We present a case of IDH occurring after acute anterior wall myocardial infarction that terminated fatally preceded by a hemodynamically unstable incessant ventricular tachycardia [ncbi.nlm.nih.gov]

Thyrotoxicosis Factitia

Other types of arrhythmias can be sinus tachycardia, ventricular tachycardia, SVT, ventricular fibrillation and rarely cardiac arrest can also happen [13–15]. [tandfonline.com]

Electrocardiogram (EKG) was significant for junctional arrhythmias along with interval supraventricular tachycardia (SVT) and bradycardia. [ncbi.nlm.nih.gov]

Premature atrial contractions Atrial fibrillation or atrial tachycardia (can precipitate heart failure) Thyrotoxic cardiomyopathy due to thyrotoxicosis Thyrotoxic crisis [accessmedicine.mhmedical.com]

Brugada Syndrome

This report documents a case of Brugada syndrome and polymorphic ventricular tachycardia-ventricular fibrillation not initially recognized in a patient taking nortriptyline [ncbi.nlm.nih.gov]

In electrophysiological study he developed right ventricular outflow tract tachycardia provoked by combined infusion of ajmaline and orciprenaline. [ncbi.nlm.nih.gov]

[…] significantly associated with events were: presentation with sudden cardiac death or syncope, spontaneous type I electrocardiogram, sinus node dysfunction and/or atrial tachycardia [ncbi.nlm.nih.gov]