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Radiological Investigation I: X-ray and CT

Radiological Investigation I: X-ray and CT

Radiological investigations, including X-rays and computed tomography (CT) scans, are critical for diagnosing and evaluating various medical conditions. These imaging techniques provide valuable insights into the body's internal structures, aiding in the detection of abnormalities, assessment of disease progression, and development of treatment strategies. This article delves into two primary radiological investigations, chest X-rays and CT scans, outlining their purpose, procedures, and the...

Positron Emission Tomography

Positron Emission Tomography

Positron emission tomography (PET) is a medical imaging technique involving radiopharmaceuticals — substances that emit short-lived radiation. Although the first PET scanner was introduced in 1961, it took 15 more years before radiopharmaceuticals were combined with the technique and revolutionized its potential.
One of the main requirements of a PET scan is a positron-emitting radioisotope, which is produced in a cyclotron and then attached to a substance used by the part of the body being...

Radiological Investigation III: Pulmonary Angiogram and PET Scan

Radiological Investigation III: Pulmonary Angiogram and PET Scan

Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...

Radiological Investigation II: MRI and Ventilation Perfusion Scan

Radiological Investigation II: MRI and Ventilation Perfusion Scan

Description
Magnetic Resonance Imaging (MRI) and Ventilation Perfusion Scans are two radiological investigations that offer detailed diagnostic images of the body, particularly lung structures.
MRI
MRI uses magnetic fields and radiofrequency signals to distinguish between normal and abnormal tissues. This technology provides a more detailed diagnostic image than CT scans, enabling it to characterize pulmonary nodules, stage bronchogenic carcinoma, and evaluate inflammatory activity in...

X-ray Imaging

X-ray Imaging

German physicist Wilhelm Röntgen (1845–1923) was experimenting with electrical current when he discovered that a mysterious and invisible "ray" would pass through his flesh but leave an outline of his bones on a screen coated with a metal compound. In 1895, Röntgen made the first durable record of the internal parts of a living human: an "X-ray" image (as it came to be called) of his wife’s hand. Scientists worldwide quickly began their own experiments with X-rays, and by 1900, X-ray was widely...

Computed Tomography

Computed Tomography

Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...

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Radiation Planning Assistant - A Web-based Tool to Support High-quality Radiotherapy in Clinics with Limited Resources

Radiation Planning Assistant - A Web-based Tool to Support High-quality Radiotherapy in Clinics with Limited Resources

Published on: October 6, 2023

[Emergency Radiology layout].

E Casciani¹, L Bertini, S Lanciotti

¹Dipartimento di Emergenza ed Accettazione, U.O. Diagnostica per Immagini, Università La Sapienza, Roma, Italia. emanuelecasciani@gmail.com

La Clinica Terapeutica

|March 18, 2009

Summary

This summary is machine-generated.

Radiology in emergency settings utilizes portable ultrasound and CT scans for rapid diagnosis. Advanced imaging like multislice CT and MRI significantly reduces mortality and healthcare costs by enabling faster, more accurate trauma care.

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Image Acquisition using Portable Sonography for Emergency Airway Management

Image Acquisition using Portable Sonography for Emergency Airway Management

Published on: September 28, 2022

Area of Science:

Emergency Medicine
Radiology
Medical Imaging

Context:

The Emergency Room and pre-hospital settings require rapid diagnostic tools.
Trauma patients benefit from timely evaluation within the "golden hour" post-injury.
Increasing demand for diverse radiologic examinations necessitates integrated IT systems.

Purpose:

To optimize diagnostic and therapeutic effectiveness in emergency care.
To evaluate endoperitoneal bleeding using portable ultrasound.
To facilitate rapid, comprehensive assessment of trauma patients using CT.

Summary:

Portable ultrasound is crucial for detecting internal bleeding in emergency rooms and during transport.
Multislice CT scanning offers fast, detailed imaging of trauma patients, improving outcomes and reducing costs.
Magnetic Resonance Imaging (MRI) provides non-ionizing radiation options for specific emergency evaluations, including spinal cord injuries.

Impact:

Multislice CT reduces morbidity and mortality through faster acquisition, improved resolution, and better vessel opacization.
Advanced imaging technologies lead to cost savings by decreasing unnecessary surgeries and speeding up diagnosis.
Reduced patient preparation, imaging acquisition, and processing times enable quicker therapeutic decisions in critical care.