The characteristic feature of CMV is inclusion of the viral bodies which reveals the owl eye appearances.
The chest x ray predicts any abnormal area in the lungs
It reveals the slice of the lung. It uses both the combination of x ray and computer aided device.
It helps to analyse the size, shape and position of any lung tumour and also it helps in the detection of enlarged lymph nodes.
It also looks for any masses in the adrenal gland, liver, brain and other organs.
CT guided needle Biopsy:
CT scan might be used to guide a biopsy needle into this area to get the tissue for lung and further investigations are made. Ground glass opacities is seen in Computed Tomography.
It uses the soft tissue image of the organ. It uses the both the magnet and radiowaves and aids in the view of soft tissues of the internal organs.
Immunosorbent assay- detect the virus specific IgM or IgG antibodies.
Greater than fourfold rise in titer between acute and convalescent sera and cerebo spinal fluid containing virus specific IgG or IgM or both are the diagnostic features.
Real-time polymerase chain reaction (RT-PCR)- is valuable in the early confirmation of arbovirus infections, particularly chikungunya. However, the value of RT-PCR is limited to diagnosis in the viraemic phase, with later infection requiring serology.
Direct immunofluorescence assay – it shows a high sensitivity and specificity and is used in the latter stages. However, the use of these tests in the tropics may be limited by financial constraints.
A normal erythrocyte sedimentation rate- it is defined as the rate of red blood cell which are termed as erythrocytes and their deposition or sedimentation rate. The normal erythrocyte sedimentation rate is 0-22mm/hr.
It is used to find the movements of the heart.
It is used to find the electrical impulses of the heart.
Lumbar puncture or spinal tap:
The fluid is drawn from the spinal cord and further investigations are made.