Lumbar Puncture (Spinal Tap)

Lumbar puncture, also known as spinal tap, is an invasive procedure where a hollow needle is inserted into the space surrounding the subarachnoid space in the lower back to obtain samples of cerebrospinal fluid (CSF) for qualitative analysis.

Bronchoscopy

Bronchoscopy is an invasive procedure that permits the direct examination of the larynx, trachea, and bronchi using either a flexible fiberoptic bronchoscope or a rigid metal bronchoscope.

Computed Tomography (CT) Scan

Computed tomography (CT), also known as computerized axial tomography (CAT), or CT scanning computerized tomography is a painless, non-invasive diagnostic imaging procedure that produces cross-sectional images of several types of tissue not clearly seen on a traditional X-ray.