Tachycardia: Causes & Reasons

Possible Causes for Tachycardia

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

Tachycardias can be managed and treated by pharmacological and non-pharmacological approaches. [web.archive.org]

[…] the tachycardia. [en.wikipedia.org]

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. [cancertherapyadvisor.com]

Within one hour of use, at least two of the following physical symptoms: tachycardia pupillary dilation elevated blood pressure perspiration or chills nausea or vomiting D [dsm.wikia.com]

Atrial Arrhythmia

tachycardias. [thecardiologyadvisor.com]

There are three major types of SVT including: Atrial fibrillation Paroxysmal supraventricular tachycardia (PSVT) Atrial Flutter & Atrial Tachycardia Atrial Flutter & Atrial [hopkinsmedicine.org]

tachycardias.) [thecardiologyadvisor.com]

Supraventricular Tachycardia

[…] is usually < 220 bpm; Supraventricular tachycardia is usually > 220 bpm Child: Sinus tachycardia is usually < 180 bpm; Supraventricular tachycardia is usually > 180 bpm EKG [medictests.com]

Supraventricular tachycardia is the most common significant arrhythmia in children. [ncbi.nlm.nih.gov]

There are almost double the amount of QRS complexes in all of the SVT when compared to the Sinus Tachycardia. This is the easiest way to tell SVT from Sinus tachycardia. [acls-algorithms.com]

Atrial Fibrillation

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

A 63-year-old man presented with a 1-year history of atrial tachycardia (AT) 6 years after orthotopic heart transplantation with bicaval anastomosis. [ncbi.nlm.nih.gov]

Circumferential pulmonary vein isolation and circumferential SVC isolation resulted in termination of tachycardia. [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]

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

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

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]

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]

Atrial Flutter

Cardiology Teaching Package A Beginners Guide to Normal Heart Function, Sinus Rhythm & Common Cardiac Arrhythmias Atrial Flutter Image: Sinus Tachycardia (close up) Although [nottingham.ac.uk]

There are three major types of SVT including: Atrial fibrillation Paroxysmal supraventricular tachycardia (PSVT) Atrial Flutter & Atrial Tachycardia Atrial Flutter & Atrial [hopkinsmedicine.org]

Image: Sinus Tachycardia (full strip) Atrial Flutter with 4:1 Block Image: Atrial Flutter (with 4:1 block) Image: Atrial Flutter with 4:1 block(full strip) Notice how the [nottingham.ac.uk]

Neurocirculatory Asthenia

Acetylcholinesterase inhibition improves tachycardia in postural tachycardia syndrome. Circulation. 2005 ; 111 : 2734 –2740. ↵ Yusuf S, Camm AJ. [web.archive.org]

Acetylcholinesterase inhibition improves tachycardia in postural tachycardia syndrome. Circulation. 2005 ; 111 : 2734–2740. Link Google Scholar 15 Yusuf S, Camm AJ. [doi.org]

Deciphering the sinus tachycardias. Clin Cardiol. 2005 ; 28 : 267 –276. [web.archive.org]

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]

Paroxysmal Nodal Tachycardia

[…] atrial tachycardias. [escardio.org]

They did not mention, however, the tachycardia-polyuria syndrome. [sotos.com]

When the tachycardia is regular, it is most important to determine whether it is a SINUS TACHYCARDIA or a SUPRAVENTRICULAR TACHYCARDIA. [ecgguru.com]

Sick Sinus Syndrome

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

Exercise seldom provokes tachycardia in patients with paroxysmal supraventricular tachycardia (PSVT). [ncbi.nlm.nih.gov]

The study group consisted of three male patients with sick sinus syndrome, intraventricular conduction disease, and monomorphic sustained ventricular tachycardia. [ncbi.nlm.nih.gov]

Paroxysmal Supraventricular Tachycardia

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

Electrophysiological study revealed atrioventricular nodal reentrant tachycardia in the first case, and atrioventricular reentrant tachycardia due to a concealed left lateral [ncbi.nlm.nih.gov]

A, Sinus tachycardia; B, Ventricular tachycardia. [medical-dictionary.thefreedictionary.com]

High-Output Heart Failure

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

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

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]

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]

Dilated Cardiomyopathy

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

Here, we report a Chinese family with typical DCM, ventricular tachycardia, syncope, and SCD. [ncbi.nlm.nih.gov]

Tachycardia-induced cardiomyopathy: evaluation and therapeutic options. [ncbi.nlm.nih.gov]

Paroxysmal Ventricular Tachycardia

tachycardia (AT); it also describes inappropriate sinus tachycardia and postural orthostatic tachycardia syndrome, forms of sinus tachycardia (Box 1). [mja.com.au]

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

When the tachycardia is regular, it is most important to determine whether it is a SINUS TACHYCARDIA or a SUPRAVENTRICULAR TACHYCARDIA. [ecgguru.com]

Torsades De Pointes

The characteristic ECG findings of VT are broad QRS complexes (> 120 ms) and tachycardia (> 120 bpm). [amboss.com]

Pacemaker induced torsades de pointes tachycardia Statistics from Altmetric.com Torsades de pointes tachycardia may be triggered by several factors, including antiarrhythmic [heart.bmj.com]

Polymorphic Ventricular Tachycardia 12-lead ECG Example [healio.com]

Ventricular Tachycardia

Ventricular Tachycardia Description Ventricular tachycardia (V-tach) is a rhythm with a rapid recurrence of premature ventricular contractions with no normal beats in between [equimedcorp.com]

What is Ventricular Tachycardia? [uabmedicine.org]

[…] ventricular tachycardia may also lose consciousness. [sharecare.com]

Pulmonary Embolism

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]

Symptoms are often nonspecific, including chest pain, coughing, dyspnea, and tachycardia. [amboss.com]

Sinus Tachycardia

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

This created a confusion whether the rhythm was sinus tachycardia or supraventricular tachycardia. [epomedicine.com]

Definition Sinus tachycardia denotes a heart rhythm disorder that manifests as an accelerated heart rate. [health.ccm.net]

Thyrotoxicosis Factitia

Other types of arrhythmias can be sinus tachycardia, ventricular tachycardia, SVT, ventricular fibrillation and rarely cardiac arrest can also happen [Citation13–Citation15 [tandfonline.com]

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

She then received two doses of adenosine and synchronized cardioversion at 100 J with no improvement in tachycardia. [tandfonline.com]

Brugada Syndrome

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

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]

Twenty years ago, he underwent radiofrequency catheter ablation for idiopathic sustained monomorphic ventricular tachycardia (VT) with an RBBB and superior axis pattern. [ncbi.nlm.nih.gov]

Postural Orthostatic Tachycardia Syndrome

Key points • Postural orthostatic tachycardia syndrome (POTS) is an often-disabling syndrome of symptomatic orthostatic tachycardia in the absence of orthostatic hypotension [medlink.com]

[…] less tachycardia reserve and be more susceptible to exaggerated tachycardia with these medications. [ahajournals.org]

title = "Postural Orthostatic Tachycardia Syndrome (POTS)", abstract = "Postural Orthostatic Tachycardia Syndrome (POTS) is a condition characterized by orthostatic tachycardia [mayoclinic.pure.elsevier.com]

Pulmonary Infarction

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]

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

Long QT Syndrome

LQTS indicates long-QT syndrome; CPVT, catecholaminergic polymorphic ventricular tachycardia. [doi.org]

Here we present a girl 20 months of age with refractory ventricular tachycardia due to long QT syndrome successfully treated by left cardiac sympathetic denervation. [ncbi.nlm.nih.gov]

Torsades de pointes is a specific form of polymorphic ventricular tachycardia in patients with a long QT interval. [msdmanuals.com]

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.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]