Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

1.0K
Mitral Valve Stenosis (MVS) is a heart condition where the mitral valve narrows, impeding blood circulation from the left atrium to the left ventricle. The etiology and pathophysiology of this condition are multifaceted, leading to a cascade of cardiovascular complications.Causes of Mitral Valve StenosisRheumatic Heart Disease: It is the main cause of mitral valve stenosis, particularly in developing nations. This condition arises from rheumatic fever, an inflammatory illness resulting from...
1.0K
Heart Failure Drugs: β-Blockers01:22

Heart Failure Drugs: β-Blockers

1.0K
β-adrenergic antagonists, commonly known as β-blockers, block the effects of sympathetic neurotransmitters such as noradrenaline (NA) and adrenaline (ADR). They have several beneficial effects in heart failure treatment. They reduce heart rate, the force of contraction, and cardiac muscle relaxation. They also slow the atrial-ventricular conduction rate and raise the threshold for arrhythmias. The concentration of β-blockers determines their effects on bronchodilation,...
1.0K
Dysrhythmias IV: Characteristics of Bradyarrhythmias01:18

Dysrhythmias IV: Characteristics of Bradyarrhythmias

698
Bradyarrhythmias are cardiac rhythm disorders characterized by a slower-than-normal heart rate, typically defined as fewer than 60 beats per minute. Some of which are discussed here:Sinus BradycardiaSinus bradycardia presents a heart rate lower than 60 beats per minute, with a regular rhythm originating from the SA node. The ECG typically shows normal P waves preceding each QRS complex, a normal PR interval (0.12 to 0.20 seconds), and a normal QRS duration (0.06 to 0.10 seconds).First-Degree AV...
698
Heart Failure III: Clinical Manifestations01:26

Heart Failure III: Clinical Manifestations

743
Heart failure (HF) manifests primarily as dyspnea, fatigue, and fluid retention, resulting in peripheral and pulmonary edema. Symptoms may vary depending on which ventricle is more affected, left or right.Left-Sided Heart FailureAlso known as left ventricular failure, this condition results from the left ventricle's inability to fill or eject sufficient blood into the systemic circulation. It leads to pulmonary congestion, which occurs when the left ventricle fails to eject blood effectively...
743
Mitral Regurgitation I: Introduction01:20

Mitral Regurgitation I: Introduction

786
Mitral regurgitation is characterized by the backward circulation of blood from the left ventricle to the left atrium during systole, a phase of the cardiac cycle when the heart contracts and pumps blood out of the chambers. This abnormal flow occurs primarily due to the dysfunction of the mitral valve or its supporting structures, which include the mitral leaflets, chordae tendineae, annulus, and papillary muscles.Etiology and Mechanisms:Primary Mitral Regurgitation: This type arises from...
786
Alterations in Blood Pressure01:30

Alterations in Blood Pressure

2.3K
Alterations in blood pressure, such as hypertension (high blood pressure) and hypotension (low blood pressure), significantly affect human health. Understanding these conditions' classifications, causes, and symptoms is essential for effective management and treatment.
Hypertension (High blood pressure)
Hypertension occurs when blood pressure readings consistently exceed the normal range. It is diagnosed when systolic blood pressure (the top number, indicating pressure while the heart...
2.3K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

The Clinical Spectrum of Paroxysmal Atrioventricular Block-Reply.

JAMA internal medicine·2026
Same author

Spiked Helmet Sign: An Unusual Pattern of ST-Segment Elevation in Ill Patients.

JACC. Case reports·2026
Same author

A Malignant Premature Atrial Contraction.

JAMA internal medicine·2026
Same author

Reader comment regarding "Electrocardiogram essentials: Bradycardia".

The American journal of emergency medicine·2025
Same author

Reversal of left arm and left leg leads rather than alternating left fascicular block.

Journal of electrocardiology·2024
Same author

Tall R waves across the precordial leads.

Journal of electrocardiology·2024
Same journal

Real-World Effectiveness and Tolerability of Sacubitril/Valsartan in Octogenarian Patients With Heart Failure: Results From the PARACHUTER Study.

The American journal of cardiology·2026
Same journal

ECG-Guided Conduction Pathways as a Lever to Shorten Post-TAVI Hospitalization.

The American journal of cardiology·2026
Same journal

Cystatin-C versus creatinine and kidney function in heart failure with preserved ejection fraction: a SOGALDI-PEF analysis.

The American journal of cardiology·2026
Same journal

Balloon-expandable versus Self-expanding Valves in Patients with Small Aortic Annuli Undergoing Transcatheter Aortic Valve Replacement.

The American journal of cardiology·2026
Same journal

Drug-Coated Balloons versus Drug-Eluting Stents following Coronary Atherectomy in Severely Calcified Lesions: A Systematic Review and Meta-Analysis.

The American journal of cardiology·2026
Same journal

Prehospital Statin Therapy and Outcomes in ST-Elevation Myocardial Infarction Undergoing Primary Percutaneous Coronary Intervention.

The American journal of cardiology·2026
See all related articles

Related Experiment Video

Updated: Mar 6, 2026

Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing
12:45

Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing

Published on: December 11, 2017

11.1K

Hypotension and Left Bundle Branch Block.

Mazen M Kawji1, David Luke Glancy2

  • 1Heartland Cardiovascular Center, Joliet, Illinois.

The American Journal of Cardiology
|March 5, 2017
PubMed
Summary
This summary is machine-generated.

This case study highlights acute inferior myocardial infarction in a patient with chronic kidney disease presenting with new hypotension. Prompt diagnosis and multi-vessel revascularization were crucial for management.

More Related Videos

Echocardiographic Assessment Using Subxiphoid-Only Examination for Hypotensive Patients
08:45

Echocardiographic Assessment Using Subxiphoid-Only Examination for Hypotensive Patients

Published on: April 18, 2025

1.5K
Left Atrial Stenosis Induced Pulmonary Venous Arterialization and Group 2 Pulmonary Hypertension in Rat
08:34

Left Atrial Stenosis Induced Pulmonary Venous Arterialization and Group 2 Pulmonary Hypertension in Rat

Published on: November 18, 2018

7.8K

Related Experiment Videos

Last Updated: Mar 6, 2026

Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing
12:45

Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing

Published on: December 11, 2017

11.1K
Echocardiographic Assessment Using Subxiphoid-Only Examination for Hypotensive Patients
08:45

Echocardiographic Assessment Using Subxiphoid-Only Examination for Hypotensive Patients

Published on: April 18, 2025

1.5K
Left Atrial Stenosis Induced Pulmonary Venous Arterialization and Group 2 Pulmonary Hypertension in Rat
08:34

Left Atrial Stenosis Induced Pulmonary Venous Arterialization and Group 2 Pulmonary Hypertension in Rat

Published on: November 18, 2018

7.8K

Area of Science:

  • Cardiology
  • Nephrology
  • Interventional Cardiology

Background:

  • Chronic kidney disease (CKD) is a significant risk factor for cardiovascular disease.
  • Myocardial infarction (MI) can present atypically in patients with comorbidities like CKD.
  • Hypotension can be a presenting symptom of acute coronary syndromes.

Observation:

  • A 69-year-old male with CKD presented with new-onset hypotension.
  • Electrocardiogram (ECG) showed left bundle branch block and inferior ST-segment elevation, indicative of acute inferior MI.
  • Coronary arteriography revealed triple vessel disease with complete occlusion of the right coronary artery.

Findings:

  • The patient was diagnosed with acute inferior myocardial infarction.
  • The diagnostic pattern on ECG included concordant ST-segment elevation in leads II and aVF.
  • Significant triple vessel disease was identified as the underlying coronary pathology.

Implications:

  • This case underscores the importance of considering MI in CKD patients with atypical presentations like hypotension.
  • Early diagnosis using ECG and coronary angiography is vital for identifying complex coronary artery disease.
  • A multi-modal treatment approach, including mechanical circulatory support and revascularization, can be effective in managing high-risk MI patients.