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284 Possible Causes for Sinus Bradycardia, Supraventricular Tachycardia

  • Sick Sinus Syndrome

    Types of sick sinus syndrome Sinus bradycardia A normal heart rate is considered to be from 60 to 100 beats per minute.[belmarrahealth.com] Abstract Exercise seldom provokes tachycardia in patients with paroxysmal supraventricular tachycardia (PSVT).[ncbi.nlm.nih.gov] Types of tachycardias include atrial fibrillation, atrial flutter/tachycardia, and supraventricular tachycardia bradycardia-tachycardia, which causes alternating slow and[health.harvard.edu]

  • Digitalis Toxicity

    Digitalis is a cardiac glycoside frequently used in the therapy of chronic heart failure, reentrant supraventricular tachycardia and atrial fibrillation.[symptoma.com] ., sinus bradycardia, atrioventricular block, nonparoxysmal atrioventricular junctional tachycardia, and ventricular tachycardia.[ncbi.nlm.nih.gov] Sinus bradycardia is also very common. In addition, depressed conduction is a predominant feature of digoxin toxicity.[en.wikipedia.org]

  • Cardiomyopathy

    An underrecognized and reversible dilated cardiomyopathy with LV contractile dysfunction occurs secondary to prolonged periods of supraventricular or ventricular tachycardia[web.archive.org] […] findings may include the following: ST-T wave abnormalities and LVH (common) Axis deviation (right or left) Conduction abnormalities (P-R prolongation, bundle-branch block) Sinus[emedicine.medscape.com] The resting ECG is unremarkable, except for sinus bradycardia and prominent U waves in some patients.[web.archive.org]

  • Myocardial Infarction

    Pacing in STEMI: Recommendation Class I Temporary pacing is indicated for symptomatic bradyarrhythmias unresponsive to medical treatment. ( Level of Evidence: C ) Sinus bradycardia[doi.org] tachycardia; ventricular tachycardia, significant ST segment depression or elevation (more than 2 mm); significant ischemia on the echocardiogram (more than 1 segment).[dx.doi.org] The pulse may be irregular because of ventricular ectopy, an accelerated idioventricular rhythm, ventricular tachycardia, atrial fibrillation or flutter, or other supraventricular[emedicine.medscape.com]

  • Acute Myocardial Infarction

    Electrocardiographic changes include ST segment elevation, onset of sinus tachycardia (by adrenergic discharge), malignant ventricular arrhythmias, extreme bradycardia, and[f1000research.com] The pulse may be irregular because of ventricular ectopy, an accelerated idioventricular rhythm, ventricular tachycardia, atrial fibrillation or flutter, or other supraventricular[emedicine.medscape.com] Vital signs Heart rate The patient's heart rate is often increased (tachycardia secondary to sympathoadrenal discharge).[emedicine.medscape.com]

  • Accidental Hypothermia

    Additional findings included atrial fibrillation, severe sinus bradycardia, and prominent J (Osborn) waves.[ncbi.nlm.nih.gov] Sinus bradycardia was observed in 52.5% of the patients.[ncbi.nlm.nih.gov] bradycardia may be physiologic in severe hypothermia (ie, appropriate to maintain sufficient oxygen delivery when hypothermia is present), and cardiac pacing is usually not[circ.ahajournals.org]

  • Acute Atrial Infarction

    Abstract A patient with acute right ventricular infarction who showed hyposecretion of atrial natriuretic peptide (ANP) in spite of abnormally high right atrial pressure and who died of a severe low cardiac output syndrome is reported. Right atrial infarction, which was proven at autopsy, may be responsible for[…][ncbi.nlm.nih.gov]

  • Verapamil

    We report nine patients in whom a beta-blocker (one patient), a non-DHP CCB (one patient), or the combination (seven patients) caused sinus arrest or severe sinus bradycardia[ncbi.nlm.nih.gov] BACKGROUND: Adenosine is the first-line medication in patients with paroxysmal supraventricular tachycardia.[ncbi.nlm.nih.gov] Cardiac disorders: bradycardic arrhythmias such as sinus bradycardia, sinus arrest with asystole, 2nd and 3rd degree AV block, bradyarrhythmia in atrial fibrillation, palpitations[medicines.org.uk]

  • Valsalva Maneuver

    Abstract Paroxysmal supraventricular tachycardia (PSVT) is a common clinical problem.[ncbi.nlm.nih.gov] To compare the efficacy of the Valsalva maneuver with that of carotid sinus massage (CSM) in terminating paroxysmal supraventricular tachycardia (SVT) in the ED.[ncbi.nlm.nih.gov] He is known to have supraventricular tachycardia (SVT) and has been in before for the same condition.[acepnow.com]

  • Syncope

    During her hospitalization for tapering of AEDs and 24-hour EEG monitoring, the patient developed a seizure followed by sinus bradycardia and an 18-second sinus pause, resulting[ncbi.nlm.nih.gov] Syncope may be caused by very fast heart rhythms — tachycardias — such as in supraventricular tachycardia (SVT) or ventricular tachycardia .[ucsfbenioffchildrens.org] Upon his admission, an electrocardiogram showed sinus bradycardia, and computed tomography of the neck with contrast showed a large parapharyngeal mass involving the prestyloid[ncbi.nlm.nih.gov]

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