Jagan Dewan Gupta, Author at Infectious Disease Advisor - Page 7 of 21

Jagan Dewan Gupta

All articles by Jagan Dewan Gupta

Rheumatologic ILD

Preliminary Diagnosis: Rheumatologic ILD I. What imaging technique is first-line for this diagnosis? Chest x-ray, PA, and lateral. II. Describe the advantages and disadvantages of this technique for diagnosing rheumatologic ILD. Advantages Relatively inexpensive and faster imaging modality compared to cross sectional imaging. Exposes patients to minimal ionizing radiation.Continue Reading Highly portable. Disadvantages Less sensitive…

Retro-Orbital Mass

Preliminary Diagnosis: Retro-Orbital Mass I. What imaging technique is first-line for this diagnosis? CT with contrast of the brain and orbits. II. Describe the advantages and disadvantages of this technique for diagnosing retro-orbital mass. Advantages Relatively inexpensive and fast imaging modality. Better details and evaluates surrounding osseous structures than other imaging modalities.Continue Reading Disadvantages Exposes…

Renal Infarction

Preliminary Diagnosis: Renal Infarction I. What imaging technique is first-line for this diagnosis? CT scan of the abdomen and pelvis with IV contrast. II. Describe the advantages and disadvantages of this technique for diagnosing renal infarction. Advantages Most sensitive and specific imaging modality in detecting and characterizing a renal infarct. Highly specific in characterizing the…

Pulmonary Stenosis

Preliminary Diagnosis: Pulmonary Stenosis I. What imaging technique is first-line for this diagnosis? Trans-thoracic 2D echocardiography. II. Describe the advantages and disadvantages of this technique for diagnosing pulmonary stenosis. Advantages Offers exquisite anatomical and functional imaging. Does not expose patients to ionizing radiation.Continue Reading Helps detect pressure gradients and velocities across a diseased valve and…

Pulmonary Regurgitation

Preliminary Diagnosis: Pulmonary Regurgitation I. What imaging technique is first-line for this diagnosis? Trans-thoracic 2D echocardiography II. Describe the advantages and disadvantages of this technique for diagnosing pulmonary regurgitation. Advantages Offers exquisite anatomical and functional imaging. Does not expose patients to ionizing radiation.Continue Reading Detects pressure gradients and velocities across a diseased valve and helps…

Pulmonary Fibrosis

Preliminary Diagnosis: Pulmonary Fibrosis I. What imaging technique is first-line for this diagnosis? Chest x-ray, PA, and lateral view. II. Describe the advantages and disadvantages of this technique for diagnosing pulmonary fibrosis. Advantages Highly portable. Relatively inexpensive and exposes patients to minimal ionizing radiation.Continue Reading Disadvantages Less sensitive and specific in detailing the underlying parenchyma…

Pulmonary Edema

Preliminary Diagnosis: Pulmonary Edema I. What imaging technique is first-line for this diagnosis? Chest X-ray, PA, and lateral views. II. Describe the advantages and disadvantages of this technique for diagnosing pulmonary edema. Advantages Relatively inexpensive and fast imaging modality. Highly portable.Continue Reading Exposes patients to minimal ionizing radiation. Plain radiography is highly sensitive. Disadvantages Less…

Progressive Multifocal Leukoenceophalopathy

Preliminary Diagnosis: Progressive Multifocal Leukoenceophalopathy I. What imaging technique is first-line for this diagnosis? MR of the brain with contrast and special demyelinating protocol. II. Describe the advantages and disadvantages of this technique for diagnosing progressive multifocal leukoenceophalopathy. Advantages Able to delineate subtle and more conspicuous confluent white matter abnormalities often affecting the subcortical white…

Posterior Circulation Stroke

Preliminary Diagnosis: Posterior Circulation Stroke I. What imaging technique is first-line for this diagnosis? Non contrast CT of the head. CTA of the head and neck may also be performed. II. Describe the advantages and disadvantages of this technique for diagnosing posterior circulation stroke. Advantages Relatively fast and inexpensive imaging modality compared to companion MR…

Polychondritis

Preliminary Diagnosis: Polychondritis I. What imaging technique is first-line for this diagnosis? Non contrast CT of the soft tissues of the neck or area of concern. II. Describe the advantages and disadvantages of this technique for diagnosing polychondritis. Advantages Highly sensitive and specific in detailing cartilage destruction of the ear, nose, and airway. Highly specific…

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