Recurrent Supraventricular Tachycardia Triggered by Tea Consumption in a Postoperative Adolescent Female: A Case Report

Q: What are the key findings of this study?

Tea consumption triggered recurrent supraventricular tachycardia (SVT) with a heart rate of 170 beats/min in a 16-year-old female, which resolved completely with intravenous adenosine and avoidance of caffeine.

Q: What is the clinical evidence from this study?

Study design: Case Report. Population: Supraventricular tachycardia (SVT) (n=1). Intervention: Tea consumption. Primary outcome: Onset of supraventricular tachycardia (SVT).

Q: What does this research mean for the field?

Routine tea consumption can trigger supraventricular tachycardia in susceptible adolescents, particularly in the presence of postoperative physiological stress. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

Mukti Nath Sankhi; Raj Kumar Thapa; Pramila Dhakal; Nirmal Shrestha; Nabin Adhikari; Rajiv Sitaula; Santosh Kumar Singh

doi:10.1002/ccr3.73741

October 1, 2026Clinical Case ReportsOpen Access

Recurrent Supraventricular Tachycardia Triggered by Tea Consumption in a Postoperative Adolescent Female: A Case Report

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Key result

Tea consumption triggers recurrent SVT resolving with adenosine and dietary caffeine avoidance.

n=1

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Why the study?

Supraventricular tachycardia in adolescents may be triggered by physiological stress or caffeine, but specific dietary triggers are not well characterized.

Key Points

To document a case of recurrent supraventricular tachycardia triggered by dietary tea consumption in an adolescent recovering from surgery.
Clinical evaluation of a 16-year-old female who developed sudden-onset palpitations and dyspnea 30 to 45 min after drinking approximately 180 mL of tea on postoperative day one following an appendectomy.
Diagnostic workup included 12-lead electrocardiography, laboratory testing, and transthoracic echocardiography.
Intervention comprised non-pharmacological vagal maneuvers followed by intravenous adenosine administration and post-discharge dietary modification with six months of follow-up.
Electrocardiogram confirmed narrow-complex supraventricular tachycardia at a heart rate of 170 beats/min with a QRS duration of < 0.12 s.
Arrhythmia termination failed with vagal maneuvers but rapidly converted to normal sinus rhythm following administration of 6 mg of intravenous adenosine.
At six months of follow-up after hospital discharge, cessation of tea consumption and adherence to conservative medical therapy resulted in no recurrent episodes of palpitations or dyspnea.

Study Design

Type

Case Report (n=1)

Structured PICO

P

Population

A 16-year-old postoperative female who experienced recurrent supraventricular tachycardia following tea consumption, managed with adenosine and trigger avoidance over 6 months of follow-up.

E

Exposure

Intravenous adenosine 6 mg (acute management), followed by diltiazem sustained release 90 mg once daily and strict dietary avoidance of tea and all caffeine-containing beverages (long-term management).

O

Outcome

Termination of supraventricular tachycardia and prevention of recurrence

Dietary stimulants such as tea can serve as a clinically relevant trigger for supraventricular tachycardia in susceptible adolescents, emphasizing the importance of detailed dietary history taking.

Limitations

Recurrent episodes of SVT were only temporally associated with tea consumption, limiting proof of causality.
The exact amount of caffeine and other potentially contributory components in the tea could not be quantified.
Postoperative stress and concurrent medications may have contributed to the arrhythmic episodes.
Recurrent episodes of SVT were only temporally associated with tea consumption
Exact amount of caffeine and other potentially contributory components in the tea could not be quantified
Post operative stress as well as concurrent medications may also have contributed to present arrhythmic episodes

Implication

Warrants dietary inquiry for tea in adolescent SVT; hypothesis-generating for caffeine triggers, needing prospective confirmation before practice change.

Abstract

Supraventricular tachycardia (SVT) in adolescents may be triggered by physiological stress or caffeine. We report a 16‐year‐old girl who complained of palpitations, dyspnea, and regular tachycardia (170 beats/min) after tea intake. ECG showed SVT and intravenous adenosine restored sinus rhythm. Recognizing dietary stimulants as potential precipitants of SVT is important.

Discussion

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Cite This Study

Sankhi et al. (2026) conducted a case report in Supraventricular tachycardia (SVT) (n=1). Tea consumption was evaluated on Onset of supraventricular tachycardia (SVT). Tea consumption triggered recurrent supraventricular tachycardia (SVT) with a heart rate of 170 beats/min in a 16-year-old female, which resolved completely with intravenous adenosine and avoidance of caffeine.

synapsesocial.com/papers/6ad49f5fcc23993462cc5382 https://doi.org/10.1002/ccr3.73741

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Recurrent Supraventricular Tachycardia Triggered by Tea Consumption in a Postoperative Adolescent Female: A Case Report

Figures

Key Points

Study Design

Structured PICO

Limitations

Implication

Abstract

Discussion

Cite This Study

Recurrent Supraventricular Tachycardia Triggered by Tea Consumption in a Postoperative Adolescent Female: A Case Report

Figures

Key Points

Study Design

Structured PICO

Limitations

Implication

Abstract

Discussion

Cite This Study

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