Appreciate the "saw-tooth" rectum. Maximal distention of the rectum is less than the sigmoid. Other things to consider when a newborn presents with dilated small bowel loops and a "low obstruction" are: meconium ileum, distal ileal atresia, colonic atresia, and small left colon syndrome. The gull-wing appearance , also known as seagull erosions or sawtooth appearance , is classically seen in erosive osteoarthritis, typically on posteroanterior radiographs of the hands, although has also been reported in psoriatic and rheumatoid arthritis.
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Barium enema demonstrates a reduced caliber rectum and sigmoid (the rectum is smaller than the descending colon) with a saw-tooth appearance to the wall. A transition point is seen at the junction between sigmoid and descending colon. 3 case questions available Annotated post evacuation film Fluoroscopy Saw-tooth appearance to the colon, usually sigmoid, with shortening of bowel, crowding of haustra and picket-fencing of folds Muscle spasm is present-may be relieved with glucagon Controversial as to whether this form can be symptomatic, i.e. pain Diverticulosis May be due to low roughage, high refined-fiber diet There is irregular epidermal hyperplasia forming a characteristic saw-tooth appearance with wedge-shaped hypergranulosis (Figures 1 and 2). The basal layer of the epidermis exhibits vacuolar degeneration with typically prominent necrosis of individual keratinocytes (Figure 3). Understand the concepts behind particular appearance and the derivation of the radiology sign - so that you never have to mug up
(A) Hyperkeratosis and irregular acanthosis with a sawtooth appearance... Download Scientific
Sawtooth pattern on ECG Last reviewed dd mmm yyyy. Last edited dd mmm yyyy Authoring team These include: if the P waves are about 300 per minute, and there is a 3:1 block, then the ECG will have a characteristic saw-tooth appearance Contrast enema with water soluble iodinated contrast demonstrated a transition zone in the distal descending colon with narrowed sigmoid and distal descending colon, "saw tooth" appearance of sigmoid colon and rounding of the flexures ( Fig. 2 a-c). In 2009, the first case of saw-tooth cardiomyopathy, a type of "LVNC to the extreme," was reported in a 2-month-old infant. In that case, however, the myocardium appeared compacted, with dramatic cross-bridging muscular projections. Additionally, left ventricular ejection fraction (LVEF) was impaired, and there was an apical aneurysm and a. if the P waves are about 300 per minute, and there is a 3:1 block, then the ECG will have a characteristic saw-tooth appearance; if atrial flutter is associated with a 2:1 block, P waves are difficult to recognise because of the superposition of the preceding T waves; flutter waves are most clearly seen in V1, II, III & aVF
Sawtooth Moray Eel Portrait of a Sawtooth Moray Eel (Gym… Flickr
One of the recognized abnormalities of a flow-volume loop is a sawtooth profile due to flow oscillations that are superimposed on either the maximal expiratory or inspiratory flow curve, or the tidal loop. Sawtooth pattern on a flow-volume loop In other cases the metaphyses have a "zigzag" or "saw-tooth" appearance, while in milder cases only a portion of the metaphysis is involved. All of the above lesions are considered pathognomonic. When, however, osteogenesis is interfered with to a lesser degree, the x-ray findings are considered as merely suggestive of syphilis..
The sawtooth wave (or saw wave) is a kind of non-sinusoidal waveform.It is so named based on its resemblance to the teeth of a plain-toothed saw with a zero rake angle.A single sawtooth, or an intermittently triggered sawtooth, is called a ramp waveform.. The convention is that a sawtooth wave ramps upward and then sharply drops. Saw-tooth cardiomyopathy (STC) is a rare form of left ventricular (LV) dysplasia that may not be represented in the literature because it is underdiagnosed. Cardiac computed tomography is a valuable non-invasive study for the diagnosis of STC due to its capacity to rule out coronary lesions and identify this type of LV dysplasia.
SPILL VIDEO PREMIERE SAW TOOTH WAVE "THE HUMAN CONDITION" The Spill Magazine
Saw-tooth cardiomyopathy has a characteristic appearance in CMR and/or echocardiography, which is distinct from LVNC. Natural history is unclear, as are potential complications, but conduction abnormalities are described in previously reported cases. The pathophysiology is unknown, but family screening and genetic analyses may be reasonable. Saw tooth appearance of myocardium in basal inferolateral and basal to mid lateral segments was also seen. (Figures 2, 3, and 4) Figure 2. Open in figure viewer PowerPoint. Long axis view of left ventricle, showing distinct projections of myocardium. Figure 3.
