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

Diagnosing Acidosis and Alkalosis01:24

Diagnosing Acidosis and Alkalosis

1.1K
Diagnosing acid-base imbalances involves systematically analyzing arterial blood samples, focusing on three key measurements: pH, bicarbonate (HCO3−) concentration, and carbon dioxide partial pressure (PCO2). This analysis follows a four-step process that helps identify the imbalance's underlying cause and nature.
First, the pH level is assessed to determine whether the blood pH is normal (7.35–7.45), low (acidosis), or high (alkalosis).
Next, the PCO2  and...
1.1K
Regulation of Stroke Volume01:27

Regulation of Stroke Volume

4.8K
The regulation of stroke volume, which is the amount of blood the heart pumps out during each heartbeat, is critical for maintaining a healthy circulatory system. Stroke volume is influenced by three main factors: preload, contractility, and afterload.
Preload refers to the degree of stretch on the heart before it contracts. It's analogous to the stretching of a rubber band; the more it's stretched, the more forcefully it snaps back. This concept is encapsulated in the Frank-Starling law of the...
4.8K
Ischemic Heart Disease: Overview01:17

Ischemic Heart Disease: Overview

3.0K
Ischemic heart disease occurs when the heart's blood supply dwindles, causing an ominous lack of oxygen and nutrients. This deficiency, stemming from reduced or obstructed blood flow, spells danger, leading to heart muscle damage and dysfunction.
Atherosclerosis, the primary malefactor, orchestrates this dangerous condition. It manifests as the accumulation of fatty deposits, akin to insidious plaques, within arterial walls. As time elapses, these plaques metamorphose, hardening and...
3.0K
Cardiac Output and Stroke Volume01:11

Cardiac Output and Stroke Volume

4.5K
Cardiac output (CO) is an integral aspect of human physiology, reflecting the heart's efficiency and responsiveness to the body's needs. It represents the volume of blood that the left or right ventricle ejects into the aorta or pulmonary trunk each minute. The CO is calculated by multiplying the heart rate (HR)—the number of heartbeats per minute—by the stroke volume (SV)—the amount of blood pumped out with each heartbeat.
In an average resting adult male, the typical cardiac...
4.5K
Cellular Differentiation00:57

Cellular Differentiation

5.2K
How does a complex organism such as a human develop from a single cell? It all starts from a single fertilized egg which gives rise to a vast array of cell types, such as nerve cells, muscle cells, and epithelial cells that characterize the adult? Throughout development and adulthood, cellular differentiation leads cells to assume their final morphology and physiology. Differentiation is the process by which unspecialized cells become specialized to carry out distinct functions.
A zygote is a...
5.2K
Differential Leveling01:12

Differential Leveling

668
Differential leveling is a precise method in surveying used to determine the elevation difference between two points. Its primary goal is to establish accurate vertical measurements to create level surfaces or grade lines critical for designing and constructing infrastructures such as roads, bridges, and buildings.The procedure for differential leveling begins with setting up and leveling the instrument at a point where the benchmark can be seen. The level rod is held on the benchmark (BM), and...
668

You might also read

Related Articles

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

Sort by
Same author

[Postoperative imaging following spinal surgery for traumatic injuries].

Radiologie (Heidelberg, Germany)·2025
Same author

Effects of glucagon as a neurohormone on the central nervous system and glucose homeostasis.

European review for medical and pharmacological sciences·2024
Same author

[COVID-19: neurological manifestations-update : What we know so far].

Der Radiologe·2021
Same author

A new and reliable landmark in parotid surgery: tragomastoid groove (Akil Groove).

European review for medical and pharmacological sciences·2021
Same author

[Nonaccidental traumatic brain injury in infants and children].

Der Radiologe·2021
Same author

[Spontaneous craniocervical dissection].

Der Radiologe·2021

Related Experiment Video

Updated: Jan 23, 2026

PET Imaging of Neuroinflammation Using [11C]DPA-713 in a Mouse Model of Ischemic Stroke
12:01

PET Imaging of Neuroinflammation Using [11C]DPA-713 in a Mouse Model of Ischemic Stroke

Published on: June 14, 2018

13.2K

[Differential diagnoses of ischemic stroke using imaging].

U Yilmaz1

  • 1Klinik für Diagnostische und Interventionelle Neuroradiologie, Universitätsklinikum des Saarlandes, Kirrberger Straße, 66424, Homburg-Saar, Deutschland. umut.yilmaz@uks.eu.

Der Radiologe
|June 16, 2019
PubMed
Summary

Diffusion-weighted imaging (DWI) detects acute ischemic stroke early. Other neurological conditions can mimic stroke on DWI but are distinguishable using additional MRI sequences and imaging characteristics.

Keywords:
Cranial computed tomographyDiffusion-weighted imagingIschemiaNeurological examinationThrombolysis

More Related Videos

Author Spotlight: Integrated Photoacoustic, Ultrasound, and Angiographic Tomography (PAUSAT) for NonInvasive Whole-Brain Imaging of Ischemic Stroke
06:45

Author Spotlight: Integrated Photoacoustic, Ultrasound, and Angiographic Tomography (PAUSAT) for NonInvasive Whole-Brain Imaging of Ischemic Stroke

Published on: June 2, 2023

2.2K
Optimized Management of Endovascular Treatment for Acute Ischemic Stroke
09:21

Optimized Management of Endovascular Treatment for Acute Ischemic Stroke

Published on: January 18, 2018

12.5K

Related Experiment Videos

Last Updated: Jan 23, 2026

PET Imaging of Neuroinflammation Using [11C]DPA-713 in a Mouse Model of Ischemic Stroke
12:01

PET Imaging of Neuroinflammation Using [11C]DPA-713 in a Mouse Model of Ischemic Stroke

Published on: June 14, 2018

13.2K
Author Spotlight: Integrated Photoacoustic, Ultrasound, and Angiographic Tomography (PAUSAT) for NonInvasive Whole-Brain Imaging of Ischemic Stroke
06:45

Author Spotlight: Integrated Photoacoustic, Ultrasound, and Angiographic Tomography (PAUSAT) for NonInvasive Whole-Brain Imaging of Ischemic Stroke

Published on: June 2, 2023

2.2K
Optimized Management of Endovascular Treatment for Acute Ischemic Stroke
09:21

Optimized Management of Endovascular Treatment for Acute Ischemic Stroke

Published on: January 18, 2018

12.5K

Area of Science:

  • Neurology
  • Radiology
  • Neuroimaging

Background:

  • Diffusion-weighted imaging (DWI) is a sensitive magnetic resonance imaging (MRI) technique for early detection of acute ischemic stroke.
  • Signal changes in DWI reflect cytotoxic edema, characterized by restricted diffusion of water molecules.
  • Several neurological diseases can present with restricted diffusion, mimicking ischemic stroke on DWI.

Purpose of the Study:

  • To highlight the utility of DWI in acute ischemic stroke detection.
  • To discuss conditions that mimic stroke on DWI.
  • To emphasize the importance of multimodal MRI assessment for differential diagnosis.

Main Methods:

  • Review of DWI principles in acute stroke.
  • Analysis of imaging features differentiating ischemic stroke from other causes of restricted diffusion.
  • Comparison of DWI findings with other MRI sequences (e.g., T1-weighted, T2-weighted, FLAIR).

Main Results:

  • DWI demonstrates high sensitivity and specificity for acute ischemic stroke.
  • Mimicking conditions often exhibit distinct location, morphology, or signal characteristics on conventional MRI sequences.
  • Multimodal MRI analysis aids in reliable differentiation between ischemic stroke and other pathologies.

Conclusions:

  • DWI is crucial for the early diagnosis of acute ischemic stroke.
  • Careful evaluation of DWI findings in conjunction with other MRI sequences is essential for accurate diagnosis.
  • Distinguishing stroke mimics from true ischemic stroke ensures appropriate patient management and treatment.