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Is a prolonged PR interval and conduction delay concerning?

This Premium Q&A, reviewed and published, features a real conversation between an iCliniq user and a physician.

Patient's Query

Hello doctor,

I developed new sudden PVCs after catching a nonspecific upper respiratory virus. Mostly occurs in the morning. ECG at ER says borderline prolonged PR interval and nonspecific intraventricular conduction delay. Kindly help.

Thank you.

Answered by Dr. Yash Kathuria

Education:

MBBS

Professional Bio:

Dr. Yash Kathuria is a dedicated and skilled physician specializing in Diabetology, General Medicine, Medical Gastroenterology, Neurology, Pulmonology (Asthma), and Internal Medicine. He focuses on personalized patient care, chronic disease management, early diagnosis, and preventive health strategies. His expertise spans diabetes control, cardiovascular health, kidney and liver-related disorders, and respiratory care, ensuring holistic and evidence-based treatment for every patient.

This doctor is not available for online consultations on the platform anymore.

Hello,

Welcome to icliniq.com.

I read your query and understand your concern regarding palpitations and ECG (electrocardiogram) changes. I have gone through the reports that you have provided. All your reports are alright. Your ECG shows normal rate and rhythm, PR interval seems full but not significantly prolonged, QRS complexes are normal, there are no PVCs (premature ventricular contractions) in this ECG, and there is no intraventricular conduction delay.

Drugs like Ritalin, Caffeine, and decongestants may cause VPC (virtual private cloud), but you have already stopped them. I have checked for drug interactions also, but drug adverse effect is ruled out. Do you also feel dizziness or chest pain during palpitations? Any history of smoking or alcohol intake?

Kindly answer the above questions to get a clear picture.

Thank you.

Patient's Query

Hi doctor,

Thank you for your reply.

I have no dizziness or chest pain; I just get hot and sweat when they happen. No alcohol or tobacco use, but I am a medical marijuana patient for PTSD.

Thank you.

Answered by Dr. Yash Kathuria

Education:

MBBS

Professional Bio:

Dr. Yash Kathuria is a dedicated and skilled physician specializing in Diabetology, General Medicine, Medical Gastroenterology, Neurology, Pulmonology (Asthma), and Internal Medicine. He focuses on personalized patient care, chronic disease management, early diagnosis, and preventive health strategies. His expertise spans diabetes control, cardiovascular health, kidney and liver-related disorders, and respiratory care, ensuring holistic and evidence-based treatment for every patient.

This doctor is not available for online consultations on the platform anymore.

Hello,

Welcome back to icliniq.com.

Marijuana is known to cause cardiac arrhythmia and VPCs, and I am sure you are taking it in prescribed doses. Because marijuana overdose may lead to sweating, feeling hot, and palpitations. I would advise you to increase the dose of Inderal (Propranolol) thrice daily if you are still having episodes of VPC, or drug modification may be required after consultation from your treating doctor. 2D Echocardiography can be done to rule out any structural problem in your heart that may be causing VPC. I hope I have answered all your questions.

Thank you.

Medically reviewed by iCliniq medical review team
Published At August 16, 2023
Reviewed At May 8, 2026

Education:

MBBS

Professional Bio:

Dr. Yash Kathuria is a dedicated and skilled physician specializing in Diabetology, General Medicine, Medical Gastroenterology, Neurology, Pulmonology (Asthma), and Internal Medicine. He focuses on personalized patient care, chronic disease management, early diagnosis, and preventive health strategies. His expertise spans diabetes control, cardiovascular health, kidney and liver-related disorders, and respiratory care, ensuring holistic and evidence-based treatment for every patient.

This doctor is not available for online consultations on the platform anymore.

Same symptoms don't mean you have the same problem. Consult a doctor now!

Education:

MBBS

Professional Bio:

Dr. Yash Kathuria is a dedicated and skilled physician specializing in Diabetology, General Medicine, Medical Gastroenterology, Neurology, Pulmonology (Asthma), and Internal Medicine. He focuses on personalized patient care, chronic disease management, early diagnosis, and preventive health strategies. His expertise spans diabetes control, cardiovascular health, kidney and liver-related disorders, and respiratory care, ensuring holistic and evidence-based treatment for every patient.

This doctor is not available for online consultations on the platform anymore.

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