Jalal Kheirkhah

ORCID: 0000-0002-3035-1093
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About
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Research Areas
  • Cardiac pacing and defibrillation studies
  • Cardiac Arrhythmias and Treatments
  • Cardiac electrophysiology and arrhythmias
  • Cardiovascular Function and Risk Factors
  • Heart Rate Variability and Autonomic Control
  • Acute Myocardial Infarction Research
  • ECG Monitoring and Analysis
  • Cardiovascular Syncope and Autonomic Disorders
  • Cardiac Health and Mental Health
  • Cardiovascular and exercise physiology
  • Blood Pressure and Hypertension Studies
  • Coronary Artery Anomalies
  • Atrial Fibrillation Management and Outcomes
  • COVID-19 Clinical Research Studies
  • Heart Failure Treatment and Management
  • Cardiac Imaging and Diagnostics
  • SARS-CoV-2 and COVID-19 Research
  • Psychosomatic Disorders and Their Treatments
  • Vascular anomalies and interventions
  • Cardiovascular Issues in Pregnancy
  • Diet and metabolism studies
  • Cardiovascular Disease and Adiposity
  • Olfactory and Sensory Function Studies
  • EEG and Brain-Computer Interfaces
  • Gut microbiota and health

Guilan University of Medical Sciences
2016-2025

Islamic Azad University Rasht Branch
2020-2021

Shaheed Rajaei Cardiovascular Medical and Research Center
2010-2018

Iran University of Medical Sciences
2014-2018

University of Guilan
2015

Tehran University of Medical Sciences
2011

University of Tehran
2010

Background: It is crucial to timely recognize individuals presenting high-risk characteristics indicative of acute myocardial infarction. Objectives: Our study aimed analyze the significance evaluating ST-segment depression in patients with inferior infarction (MI). We assessed precordial ST-T changes as an indicator ongoing ischemia, examined their correlation extent coronary artery involvement, and potential association both early late cardiac outcomes. Methods: enrolled 200 hospitalized...

10.1177/17539447251326154 article EN cc-by-nc Therapeutic Advances in Cardiovascular Disease 2025-03-01

Clinical and molecular characterization of the Brugada syndrome has progressed rapidly since its initial description. The role hormonal changes during pregnancy postpartum period on pathogenesis not been studied. Herein, we describe a case revelation in young woman who presented with electrical storm as first manifestation. Low-dose isoproterenol infusion followed by oral quinidine inhibited recurrence ventricular tachyarrhythmia normalized electrocardiographic pattern. We emphasize...

10.1111/j.1540-8159.2010.02740.x article EN Pacing and Clinical Electrophysiology 2010-03-26

Background There are some data showing that repurposed drugs used for the Coronavirus disease-19 (COVID-19) have potential to increase risk of QTc prolongation and torsade de pointes (TdP), these arrhythmic side effects not been adequately addressed in COVID-19 patients treated with medications. Methods This is prospective study 2403 hospitalised at 13 hospitals within epicentres Iran. These were chloroquine, hydroxychloroquine, lopinavir/ritonavir, atazanavir/ritonavir, oseltamivir,...

10.1111/ijcp.14182 article EN International Journal of Clinical Practice 2021-03-24

Abstract Background The aim of the present study was to determine whether postprocedural antibiotic reduces risk infection related cardiac implantable electronic device (CIED) implantations. Methods investigation is a randomized, prospective, single‐blinded controlled trial. All consecutive patients who presented for new CIED implantation, generator replacement, or upgrade were randomized into following three groups: (A) no antibiotic, (B) intravenous (IV) 1 day, (C) day IV plus 7 days oral...

10.1111/pace.13592 article EN Pacing and Clinical Electrophysiology 2018-12-21

Fragmented QRS (fQRS) complexes that have numerous RSR´ patterns represent alteration of ventricular depolarization. We evaluated the relationship between fQRS and poor coronary collateral circulation diagnostic ability for myocardial scar detection in patients with chronic total occlusion (CTO) without a history infarction.The study population consisted undergoing angiography suspicion CAD. Seventy-nine one totally occluded major artery were enrolled. Exclusion criteria MI; recent acute...

10.5152/akd.2015.5887 article EN cc-by-nc The Anatolian Journal of Cardiology 2015-04-09

Abstract This study aimed to investigate the chronic effects of green tea (GT) extract and resistance training (RT) on ambulatory office blood pressure (BP), heart rate (HR), rate‐pressure product (RPP) in a sample Iranian women with high‐normal/stage 1 hypertension. Forty‐four middle‐aged sedentary participated this randomized, double‐blind, placebo‐controlled study. They were randomly assigned one four groups: GT RT (GR, n = 11), ( 10), or control 13). Three weeks consumption followed by...

10.1111/jch.14198 article EN cc-by-nc Journal of Clinical Hypertension 2021-01-24

Objectives: It is known that exercise induces cardio-respiratory autonomic modulation.The aim of this study was to assess the cardio-pulmonary fitness by ultra-short heart rate variability.Materials and Methods: Study population divided into 3 groups: Group-1 (n = 40) consisted military sports man.Group-2 were healthy age-matched sedentary male subjects with normal body mass index [BMI 19 -25 kg/m 2 ).Group-3 obese > 29 ).Standard deviation normal-to-normal QRS intervals (SDNN) recorded over...

10.4103/0975-3583.89808 article EN Journal of Cardiovascular Disease Research 2011-10-01

Arrhythmogenic right ventricular cardiomyopathy/dysplasia (ARVC/D) is a genetic cardiomyopathy that most commonly affects young adults. The observed reason of death in patients suffering from ARVC/D sudden cardiac (SCD). On the other hand, idiopathic outflow tract tachycardia (RVOT VT) usually has benign course. Both entities may have (VT) with left bundle branch block (LBBB) pattern and inferior axis. We tried to propose new discriminating electrocardiographic indices for differentiation...

10.1016/j.ihj.2014.12.003 article EN publisher-specific-oa Indian Heart Journal 2014-11-01

Introduction: Inadequate adherence to medication and follow up visits were proposed correlated with cardiovascular mortality complications. This study was planned evaluate risk factor control in patients coronary artery disease 5 years after bypass grafting (CABG). Methods: In this retrospective cohort study, adult who underwent CABG 2010 enrolled. Conventional probable assessed. Results: 196 recruited the study. Uncontrolled blood pressure, glucose low-density lipoprotein (LDL)were reported...

10.15171/jcvtr.2016.31 article EN cc-by Journal of Cardiovascular and Thoracic Research 2016-12-30

Changes in blood pressure (BP) may affect pain. However, the interaction effect of resistance training and green tea on BP pain has not been studied. The primary aim this study was to evaluate impact extract (GTE) variables hypertensive patients. Secondary included determining effects alterations responses.In a randomized, double-blind, placebo-controlled study, 30 middle-aged sedentary women were randomly divided into (GR, n = 8), (R, (G, 7), control groups (C, 7). period consisted 3 weeks...

10.1186/s41043-019-0188-y article EN cc-by Journal of Health Population and Nutrition 2019-10-31

A 37‐year‐old man, known case of mitral valve replacement, was referred for ablation. Meticulous mapping showed the earliest signal in distal coronary sinus (CS). Endocardial ablation via transseptal approach failed to permanently ablate accessory pathway. Similarly, within CS unsuccessful. Finally, catheter introduced into vein Marshall (VoM) and a very early obtained. In first 3 seconds radiofrequency energy application VoM, delta wave disappeared. During 1‐year follow‐up, patient had no...

10.1111/j.1540-8159.2011.03089.x article EN Pacing and Clinical Electrophysiology 2011-03-31

The number of people with heart failure requiring implantation a cardiac resynchronization device is increasing in Iran. Although this intervention an effective life-saving treatment, several challenges are associated patients' lifestyle after insertion. This study identified the and coping mechanisms Iranians living therapy. A qualitative approach using conventional content analysis was adopted. Seventeen three nurses were recruited between December 2014 November 2015 from teaching hospital...

10.1111/nhs.12325 article EN Nursing and Health Sciences 2017-01-18

Background and Objective:In the current COVID-19 pandemic, disease diagnosis is essential for optimal management timely isolation of infected cases in order to prevent further spread.The aim this study assess predictors mortality among patients. Material Methods:In a retrospective study, 522 patients were enrolled Razi hospital, Guilan Province, Iran.This hospital was main center treatment province.Data gathering performed by census sampling from March August 2020.Simple Multiple logistic...

10.52547/jorjanibiomedj.9.4.13 article EN cc-by-nc Jorjani Biomedicine Journal 2021-12-01

Abstract Background It is well established that left ventricular systolic dysfunction (LVSD), as marked by reduced ejection fraction (LVEF), notably worsens the prognosis of ST-elevation myocardial infarction (STEMI). However, link between cardiometabolic risk markers and LVSD seems unclear. This study aimed to investigate differences in variables affecting LVEF STEMI patients. Methods In current retrospective study, 200 consecutive patients were enrolled April 2016 January 2017. Analysis...

10.1186/s12872-022-02660-3 article EN cc-by BMC Cardiovascular Disorders 2022-05-14

Background and Aims: We evaluated whether cardiac memory T-wave (CMT) is associated with reverse remodeling of left ventricular as an indicator response to resynchronization therapy (CRT). Methods Results: CMT was defined a negative in right mid precordial leads wide QRS complexes before CRT implantation. studied 100 patients (50 consecutive 50 without CMT) who underwent CRT. Patients’ resting 12-lead ECGs immediately after implantation were analyzed by electrophysiologist confirm the...

10.22541/au.170668034.42266214/v1 preprint EN Authorea (Authorea) 2024-01-31

With the increase in number of coronary artery bypass grafting (CABG) surgeries, concern about complications after it has also increased. RV diastolic dysfunction (RVDD) is one post-CABG complications, and this study, we intend to investigate its frequency predictors.

10.48305/arya.2024.41897.2907 article EN PubMed 2024-01-01
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