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2. Instantaneous wave-free ratio - Wikipedia

   en.wikipedia.org/wiki/Instantaneous_wave-free_ratio

   The instantaneous wave-free ratio (iFR, sometimes referred to as the instant wave-free ratio or instant flow reserve) is a diagnostic tool used to assess whether a stenosis is causing a limitation of blood flow in coronary arteries with subsequent ischemia. iFR is performed during cardiac catheterisation (angiography) using invasive coronary pressure wires which are placed in the coronary ...

3. Fractional flow reserve - Wikipedia

   en.wikipedia.org/wiki/Fractional_flow_reserve

   Fractional flow reserve (FFR) is a diagnostic technique used in coronary catheterization.FFR measures pressure differences across a coronary artery stenosis (narrowing, usually due to atherosclerosis) to determine the likelihood that the stenosis impedes oxygen delivery to the heart muscle (myocardial ischemia).

4. French catheter scale - Wikipedia

   en.wikipedia.org/wiki/French_catheter_scale

   The French scale measures the outer diameter of the catheter, not the size of the internal drainage channel (inner diameter). For instance, a two-way catheter of 20 Fr and a three-way catheter of 20 Fr have the same outer diameter, but the three-way catheter has an additional channel for irrigation, reducing the size of its drainage channel.

5. Instruments used in anesthesiology - Wikipedia

   en.wikipedia.org/wiki/Instruments_used_in...

   Nasal oxygen set: to deliver oxygen Guedel airways [3] hard part of the airway maintenance that connects the mouth part to the pharyngeal part Yankauer suction tip: Suction catheters used to remove secretions from the mouth, oropharynx, trachea and bronchi: Peripheral venous catheter: Water & sand weight bag: Artificial resuscitator (Bag valve ...

6. Peripheral venous catheter - Wikipedia

   en.wikipedia.org/wiki/Peripheral_venous_catheter

   The catheter is introduced into the vein by a needle (similar to blood drawing), which is subsequently removed while the small plastic cannula remains in place. The catheter is then fixed by taping it to the patient's skin or using an adhesive dressing. A peripheral venous catheter is the most commonly used vascular access in medicine.

7. Catheter - Wikipedia

   en.wikipedia.org/wiki/Catheter

   Pigtail catheter is a non-selective catheter with multiple side holes that can deliver large volumes of contrast into a blood vessel for imaging purposes. [29] Cobra catheter is a selective catheter used to catheterise downgoing vessels in the abdomen. Cobra catheters move forward by pushing and are removed by pulling. [30]

8. Hemostat - Wikipedia

   en.wikipedia.org/wiki/Hemostat

   Hemostats. A hemostat (also called a hemostatic clamp; arterial forceps; and pean, after Jules-Émile Péan) is a tool used to control bleeding during surgery. [1] Similar in design to both pliers and scissors, it is used to clamp exposed blood vessels shut.

9. Pulmonary artery catheter - Wikipedia

   en.wikipedia.org/wiki/Pulmonary_artery_catheter

   The balloon, when inflated, causes the catheter to "wedge" in a small pulmonary blood vessel. So wedged, the catheter can provide an indirect measurement of the pressure in the left atrium of the heart, showing a mean pressure, in addition to a, x, v, and y waves which have implications for status of the left atria and the mitral valve.