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

Antihypertensive Drugs: Potassium-Sparing Diuretics01:28

Antihypertensive Drugs: Potassium-Sparing Diuretics

Liddle syndrome is a genetically inherited form of hypertension characterized by the overactivity of epithelial sodium channels in the nephron, the functional unit of the kidney. This heightened activity leads to increased sodium reabsorption and excessive excretion of potassium. To counteract this, potassium-sparing diuretics such as amiloride are used. They function by blocking these sodium channels, thereby reducing the influx of sodium into the epithelial cells and minimizing the loss of...
Diabetic Ketoacidosis ll: Pathophysiology01:22

Diabetic Ketoacidosis ll: Pathophysiology

Diabetic ketoacidosis (DKA) is a metabolic emergency characterized by hyperglycemia, ketonemia, and metabolic acidosis. It results from severe insulin deficiency and an excess of counterregulatory hormones, leading to uncontrolled lipolysis, ketogenesis, and widespread electrolyte and fluid disturbances.Pathophysiology The central event in DKA is a profound loss of insulin action. Without insulin, glucose uptake in insulin-dependent tissues is impaired, while hepatic glucose production...
Acute Kidney Injury V: Interprofessional Care01:20

Acute Kidney Injury V: Interprofessional Care

Acute Kidney Injury (AKI) requires a collaborative healthcare approach to restore renal function and prevent complications. Essential management strategies involve monitoring fluid and electrolyte balance, adjusting medications, initiating dialysis when necessary, and providing nutritional support.Fluid and Electrolyte ManagementFluid Monitoring: Regularly monitoring body weight, central venous pressure, and urine output helps detect fluid imbalances early. Patient intake and output are...
Cytotoxic Edema: Pathophysiology01:21

Cytotoxic Edema: Pathophysiology

Cytotoxic edema is a form of cerebral edema characterized by intracellular swelling of neurons, astrocytes, and other glial cells. It develops when the mechanisms responsible for maintaining ionic gradients across the cell membrane become impaired. Under normal physiological conditions, the sodium–potassium ATPase actively transports sodium ions out of the cell and potassium ions into the cell, preserving osmotic balance and enabling electrical signaling. This pump requires a continuous supply...
Dysrhythmias II: Classification of Tachyarrhythmias01:28

Dysrhythmias II: Classification of Tachyarrhythmias

Tachyarrhythmias are a type of dysrhythmia where the heart rate exceeds 100 beats per minute. Here are some common types of tachyarrhythmias:Sinus TachycardiaSinus tachycardia originates from increased impulses from the sinus node, leading to an elevated heart rate. It is often triggered by stress, fever, or exercise.Patients may experience palpitations, a sensation of a racing heart, dizziness, and chest discomfort.Causes and Risk Factors: Common causes include physical exertion, emotional...
Cardiac Catheterization I: Pre-Procedure Overview01:28

Cardiac Catheterization I: Pre-Procedure Overview

Cardiac catheterization is an invasive diagnostic technique used to identify and evaluate structural and functional diseases of the heart and major blood vessels. This technique diagnoses congenital heart disease, coronary artery disease, valvular heart disease, and coronary spasms and assesses ventricular function. It helps guide treatment decisions, including the need for revascularization procedures like percutaneous coronary intervention (PCI) or coronary artery bypass grafting (CABG) and...

You might also read

Related Articles

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

Sort by
Same author

[Athlete's heart: role of cardiac imaging in the prevention of sudden cardiac death].

Therapeutische Umschau. Revue therapeutique·2026
Same author

Gynecologic reconstructive surgery: tailoring the postoperative care to the patient.

Gynecology and pelvic medicine·2026
Same author

Galectin-3 binding protein is upregulated in heart failure with preserved ejection fraction and associated with endothelial nitric oxide synthase deficiency.

GeroScience·2026
Same author

DASH Closure: A Dual Access Strategy for Hemodynamic Closure of Mitral Paravalvular Leaks.

Catheterization and cardiovascular interventions : official journal of the Society for Cardiac Angiography & Interventions·2026
Same author

Reproducibility of Echocardiographic Measurements of Right Ventricular Function: Comparison Between TAPSE and TDI S'.

Journal of cardiovascular development and disease·2026
Same author

Continuous Versus Intermittent Loop Diuretics Step-by-Step Protocol in Acute Heart Failure (DIUR-AHF): A Propensity-Matched Analysis.

Journal of the American Heart Association·2026
Same journal

Prognostic value of preoperative peak atrial longitudinal strain for patients undergoing mitral valve surgery.

Journal of cardiovascular medicine (Hagerstown, Md.)·2026
Same journal

From photoshop to artificial intelligence. Scientific integrity in the modern era of cardiovascular research: a call for action.

Journal of cardiovascular medicine (Hagerstown, Md.)·2026
Same journal

When cancer meets acute coronary syndrome: moving beyond the 'cancer disadvantage'.

Journal of cardiovascular medicine (Hagerstown, Md.)·2026
Same journal

In-hospital outcomes of acute coronary syndrome in patients with cancer: a systematic review and meta-analysis.

Journal of cardiovascular medicine (Hagerstown, Md.)·2026
Same journal

Differentiating Takotsubo syndrome from anterior STEMI: are we getting closer?

Journal of cardiovascular medicine (Hagerstown, Md.)·2026
Same journal

A new milestone for the Journal of Cardiovascular Medicine.

Journal of cardiovascular medicine (Hagerstown, Md.)·2026
See all related articles

Related Experiment Video

Updated: Jun 20, 2026

Tilt Testing with Combined Lower Body Negative Pressure: a "Gold Standard" for Measuring Orthostatic Tolerance
14:09

Tilt Testing with Combined Lower Body Negative Pressure: a "Gold Standard" for Measuring Orthostatic Tolerance

Published on: March 21, 2013

Syncope caused by iatrogenic hyperkalemia.

Giuseppe Giancaspro1, Marianna Suppa, Igino Genuini

  • 1Department of Emergency and Urgency, Sapienza University, Azienda Policlinico Umberto I, Rome, Italy. giuseppe.giancaspro@uniroma1.it

Journal of Cardiovascular Medicine (Hagerstown, Md.)
|August 27, 2009
PubMed
Summary
This summary is machine-generated.

Chronic use of angiotensin-receptor blockers can cause dangerous bradyarrhythmia and syncope due to hyperkalemia. Early consideration of hyperkalemia is crucial for bradyarrhythmic patients, especially those on these medications.

More Related Videos

Methods for ECG Evaluation of Indicators of Cardiac Risk, and Susceptibility to Aconitine-induced Arrhythmias in Rats Following Status Epilepticus
08:28

Methods for ECG Evaluation of Indicators of Cardiac Risk, and Susceptibility to Aconitine-induced Arrhythmias in Rats Following Status Epilepticus

Published on: April 5, 2011

Related Experiment Videos

Last Updated: Jun 20, 2026

Tilt Testing with Combined Lower Body Negative Pressure: a "Gold Standard" for Measuring Orthostatic Tolerance
14:09

Tilt Testing with Combined Lower Body Negative Pressure: a "Gold Standard" for Measuring Orthostatic Tolerance

Published on: March 21, 2013

Methods for ECG Evaluation of Indicators of Cardiac Risk, and Susceptibility to Aconitine-induced Arrhythmias in Rats Following Status Epilepticus
08:28

Methods for ECG Evaluation of Indicators of Cardiac Risk, and Susceptibility to Aconitine-induced Arrhythmias in Rats Following Status Epilepticus

Published on: April 5, 2011

Area of Science:

  • Cardiology
  • Pharmacology
  • Emergency Medicine

Background:

  • Symptomatic bradycardia presents diverse etiologies in the emergency department.
  • Hyperkalemia is a potential complication of chronic therapy with angiotensin-converting enzyme inhibitors or angiotensin-receptor blockers.

Observation:

  • An 87-year-old woman presented with symptomatic bradyarrhythmia and cardiogenic syncope.
  • Her medical history included chronic consumption of angiotensin-receptor blockers.

Findings:

  • The patient's bradyarrhythmia was attributed to hyperkalemia, a known side effect of long-term angiotensin-receptor blocker use.
  • Electrocardiographic signs suggestive of hyperkalemia were present, necessitating early consideration.

Implications:

  • This case highlights the critical need to consider hyperkalemia in patients with bradyarrhythmia, particularly those on angiotensin-receptor blockers.
  • Prompt diagnosis and management of hyperkalemia can mitigate risks of syncope and sudden cardiac death.