Symptoms and Signs - ​Differential Diagnosis of AV Nodal Block

Symptoms and Signs - ​Differential Diagnosis of AV Nodal Block • Trauma (including cardiac surgical procedures) • Sclerodegenerative processes (e.g., Lev’s disease with calcification of the mitral and aortic annuli) • Myocarditis • Medications (e.g., digo


Symptoms and Signs - ​Differential Diagnosis of Babesiosis

Symptoms and Signs - ​Differential Diagnosis of Babesiosis • Salmonellosis, including typhoid fever • Malaria • Leptospirosis • Hepatic abscess • Hemorrhagic fever • Ehrlichiosis • Amebiasis • Acute viral hepatitis




​Symptoms and Signs - Differential Diagnosis of Arthritis and Diarrhea

​Symptoms and Signs - Differential Diagnosis of Arthritis and Diarrhea • Whipple’s disease • Viral syndrome • Spondyloarthropathy • Inflammatory bowel disease (IBD) • Hyperthyroidism • Enterogenic (bacterial) reactive arthritis • Collagenous colitis • Cel


Symptoms and Signs - Differential Diagnosis of Arthritis and Eye Lesions

Symptoms and Signs - Differential Diagnosis of Arthritis and Eye Lesions • Whipple’s disease • Wegener’s granulomatosis • Takayasu’s arteritis • Systemic lupus erythematosus (SLE) • Subacute bacterial endocarditis (SBE) • Sjögren’s syndrome • Scleroderma