Assessment of Mitral Valve Function
Fig. 2.1 M-mode imaging at the mitral valve tips M-mode imaging can be performed across the mitral valve from the apical approach with the addition of color Doppler (Fig. 2.2)….
GENERAL RADIOLOGY
Hypertrophic Cardiomyopathy and Mitral Valve Disease
Fig. 8.1 Spectral Doppler echocardiographic image across the LVOT after Valsalva maneuver demonstrating a characteristic late-peaking “dagger-shaped” signal suggestive of severe dynamic LVOT obstruction, characteristic of HOCM Video 8.1 Two-dimensional…
Imaging of Intracranial Vessels
NECT CTA CTV 4D-CTA VPCT Stroke x x (x) x Hemorrhagic stroke x x (x) (x) (x) AVM x x Fistula x x Aneurysms x Venous thrombosis x x …
of Computed Tomography
(1) where h is the Planck constant (value: 4,135 × 10−15 eVs). These properties allow X-rays to interact with the different tissues of the human body: once they have been generated from…
Imaging of Coronary Arteries
Fig. 1 (a) 1: Common trunk; 2: left anterior descending artery; 3: intermediate branch. (b) Arrow: Circumflex artery (a) Left anterior descending artery ( LAD ): It courses anteriorly along…
of Carotid Arteries
Fig. 1 Low-dose axial CT image performed during test bolus of contrast injection with ROI placed over the region of the carotid bifurcations and revealing peak contrast enhancement 17 s…
of Intracranial Atherosclerosis
Fig. 1 Impact of field strength on imaging. (a) Axial maximum intensity projection (MIP) slab from 3D TOF MRA study at 1.5 T. (b) Axial MIP slab from 3D TOF…
Magnetic Resonance Imaging of Coronary Arteries
Fig. 1 CMR provides an excellent modality for delineating cardiac anatomy and function. (a) represents a four-chamber view of a normal heart in diastole and (b) in systole. (c, d)…
Principles of Magnetic Resonance Imaging
Fig. 1 Spin echo pulse sequence. RF radiofrequency, SS slice selection, PE phase encoding, FE frequency encoding, TE echo time, TR repetition time The effect of the RF pulse is…
Technologies in MR and PET for Imaging Atherosclerosis
Type of criteria Criterion Imaging Major Active inflammation CE-MRI, USPIO-MRI, FDG-PET Thin FC with large LRNC MRI, CE-MRI, CT FC disruption MRI, CE-MRI, SPECT Severe stenosis MRA, CTA, B-mode ultrasonography…
