24 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Toxoplasmosis (CD4 ... CNS Lymphoma (CD4 ... Syphilis • Pyogenic Abscess ... • Nocardia • Parasitic ... differential #diagnosis #causes
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
Diagnosis and Workup Algorithm ... Infections: Lung abscess ... , NTB, Fungal, Parasitic ... Disease #Diagnosis #Algorithm ... #lesion #pulmonary
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Diagnosis: • CBC ... stable residual lesion ... Coccidioides • Parasite ... #differential #causes
Lung Nodule - Differential Diagnosis Algorithm
Nodule on > 2 Years Without a Change in Size:
 •
Differential Diagnosis Algorithm ... Granuloma • Abscess ... Metastases ("cannonball lesions ... Septic Embolism • Parasitic ... #Causes #Pulmonary
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Differential Diagnosis Algorithm ... Systemic and Primary Causes ... = Primary Skin Lesions ... Hyperthyroidism CBC ... #causes
Causes of Intestinal Obstruction - Differential Diagnosis
Lesions Extrinsic to the Intestinal Wall:
 • Adhesions: Postoperative, Congenital,
Causes of Intestinal ... Differential Diagnosis Lesions ... Intra-abdominal abscess ... artery syndrome Lesions ... , Phytobezoar, Parasite
Causes of Acute Onset Fever - Differential Diagnosis Algorithm
Viral:
 • Rhinovirus
 • Influenza Virus
 • Parainfluenza
Causes of Acute ... Differential Diagnosis Algorithm ... eg.malaria) • Other parasites ... Skin Infection Abscess ... #causes
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis Algorithm
Neoplasm:
• NHL
• Hodgkin's lymphoma
• Leukemia
• Solid
Causes of Fever ... Differential Diagnosis Algorithm ... Osteomyelitis • Occult abscess ... malaria) • other parasites ... #causes
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Differential Diagnosis Algorithm ... Cerebellar / Brainstem Abscess ... Space-Occupying Lesion ... Differential #Diagnosis #Algorithm ... #Causes
Spinal Epidural Abscess - Classic triad (back pain + fever + neuro deficits) found in only
Spinal Epidural Abscess ... 13% #Diagnosis #EM ... NSG #Epidural #Abscess ... #Algorithm #ALiEM