General ultrasound In the critically ill - part 5 ppsx

... confuse the young operator. • FiUing the venous lumen when the vein seems empty: - Using fluid therapy. - Lowering the feet using the balance pedal of the bed. - Manually compressing the common ... operator inserts the fil- ter while another locates the main landmarks using ultrasound. As for the pilot-bombardier relation in a B 25, the two operator...

Ngày tải lên: 09/08/2014, 15:20

... collapsed. In the longitudi- nal approach, the borders of the vein are never per- fectly parallel (although in the artery they are). Dynamic changes in the vein are often vast, where- as the artery ... splenomegaly. The probe must be applied rather posteriorly at the last inter- costal spaces. In a supine patient, the distal part of the probe should in prac...

Ngày tải lên: 09/08/2014, 15:20

... Conducting an Ultrasound Examination 15 probability the first to study assessing the useful- Conducting an Ultrasound Examination ness of general ultrasound, handled by the inten- sivist ... at the intercostal spaces. - Surrounding the spleen, with the same com- ment (Fig. 5. 3). - At the flanks. - In the pelvis (Douglas pouch) (Fig. 5. 4, and s...

Ngày tải lên: 09/08/2014, 15:20

... Murphy's ultrasound sign 4.6 mm (3. 0-6 .2) 103 mm (6 5- 1 50 ) 40 mm (2 9 -5 5) 90% 12% 8% 4 .5 mm (3. 0-7 ) 1 05 mm (8 4-1 60) 37 mm (2 3 -5 6) 66% 0 10% Extreme values are in parentheses. 44 ... to the following conclusions (Fig. 8.3). Size On average, the gallbladder measured 103 mm on the long axis (range, 6 5- 1 50 mm) and 40 mm on the...

Ngày tải lên: 09/08/2014, 15:20

... explaining the origin of the lung point. At the left, the probe is applied in front of the pneumothorax, in expiration. At the righu after inspira- tion, the lung has slightly increased ... volume on inspiration. Therefore, a lung sign will appear at the boundary area, at the precise line where the lung reaches the wall, since the lung surface in contac...

Ngày tải lên: 09/08/2014, 15:20

... may indicate a certain diagnostic uncertainty. »Hepatization« is an interesting word in the ultra- sound field, since the lung and the liver have a sim- ilar pattern. The term »alveolar filling« ... sign, the comet-tail artifact arising from the pleural line, well defined, erasing A lines, in rhythm with lung sliding and spreading up to the lower edge of the screen...

Ngày tải lên: 09/08/2014, 15:20

... the sinusogram, a self-explanatory term (Fig. 21.1). Maxillary sinusitis gives a two-step sign. At the first level, there can be a sinusogram, according to an all-or-nothing rule. At the ... that the amount of information lost in hemodynamic terms is regained in terms of diagnosis. For exam- ple, fine analysis of the Doppler signal of the pul- monary veins in a...

Ngày tải lên: 09/08/2014, 15:20

... device as in the 25 previous chap- ters. The operator must invest, however, in under- standing the position of objects in space. The needle must follow the sole plane of the probe. The needle ... techniques in the criti- cally ill. Springer-Verlag, London, pp 12 7-1 35 2. Weill FS (1989) Echographie abdominale du post- opere. In: Weill FS (ed) L&apo...

Ngày tải lên: 09/08/2014, 15:20

... neurological examination. Indeed, where is the harm in placing a mechanical probe^ over the tibia in order to explore deep sen- sitivity, thus leaving the cumbersome tuning fork in the attic? In addition, ... suitable ultrasound unit, suitable training and suitable checking of standards could then be com- bined. The Ultrasound Unit from the beginning, basic steps c...

Ngày tải lên: 09/08/2014, 15:20

... Infections in the Critically Ill Cultures of the catheter hub (Table 2), which explore mainly the endoluminal mechanism, are more useful in patients with long-term catheters. Indeed, in 50 critically ill ... a 64 Catheter-Related Infections in the Critically Ill Comparison of Catheter Culture Techniques The different mechanisms of colonization of the intravasc...

Ngày tải lên: 10/08/2014, 16:22