Identify the instrument shown in the following image?& x20; - AIIMS Rishikesh NO - 2019

AIIMS Rishikesh NO - 2019

Image Based Questions (E5)

Easy

Appeared in: AIIMS Rishikesh NO - 2019

Explanation

The instrument shown is a Central Venous Pressure (CVP) Manometer, which is explicitly confirmed by the label on the packaging in the image.
It is designed to measure CVP, which reflects right atrial pressure and provides critical information about a patient's fluid volume status and right ventricular function.
The key components visible are the graduated water column (for reading pressure in cm H₂O), a three-way stopcock for directing fluid flow, and extension tubing for connecting to a central line.

Option B: Jugular Venous Pressure (JVP) is a clinical assessment performed by observing the neck veins. There is no specific instrument called a 'JVP manometer' for this purpose; it's a physical examination finding.
Option C: A barometer is a scientific instrument used to measure atmospheric pressure, typically for weather forecasting. It has no role in direct patient care or physiological monitoring.
Option D: While technically a type of manometer that can be held, 'Hand held manometer' is a very general term. 'CVP Manometer' is the precise and specific name for the device shown, which is designed for a particular medical procedure.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Identification of medical equipment used for hemodynamic monitoring as background academic context rather than a clinical decision trigger.
CVP monitoring is a fundamental skill in critical care nursing for guiding fluid resuscitation and managing patients with heart failure or sepsis.
Accurate CVP measurement requires precise patient positioning (supine, with the zero point of the manometer at the phlebostatic axis - 4th intercostal space, mid-axillary line) to avoid falsely high or low readings.
Nurses must monitor the central line insertion site for signs of infection, bleeding, or thrombosis, and ensure the system is free of air bubbles to prevent air embolism.

How to Approach the Question

First, carefully examine the image provided. Look at both the instrument itself and any accompanying packaging or labels.
Identify key features of the instrument: a long, graduated tube; clear markings (likely in cm); and attached tubing with a stopcock.
Read any text visible in the image. In this case, the packaging is clearly printed with "C.V.P. MANOMETER". This is the most direct clue.
Compare this direct identification with the options provided.
Option A, 'CVP Manometer', is an exact match to the label on the packaging.
Evaluate the other options to confirm they are incorrect. A JVP manometer isn't a device, a barometer measures air pressure, and a hand-held manometer is too generic.

Concept Tested & Keywords

Concept Tested: Identification of medical equipment used for hemodynamic monitoring.
Stem keywords: instrument, image, identify
Lead-in keywords: Identify
Clinical cues: The packaging is clearly labeled 'C.V.P. MANOMETER', which directly identifies the instrument.

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