145 results
Causes of Acute Onset Fever - Differential Diagnosis Algorithm
Viral:
 • Rhinovirus
 • Influenza Virus
 • Parainfluenza
Causes of Acute ... Diagnosis Algorithm ... Coronavirus • HIV ... eg.malaria) • Other parasites ... #Algorithm #causes
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Mnemonic NO cause ... TB Viral: HSV ... , EBV, HIV, HepB ... , Syphilis Parasitic ... #Differential #Diagnosis
Fever in the Returning Traveler - History
Exposure History:
 • Street foods / Local water: entenc fever,
immunodeficiency virus ... [HIV], HBV, hepatitis ... C virus [HCV], ... herpes simplex virus ... Traveler #History #diagnosis
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Frequent Differential Diagnoses ... Sexual contacts - HIV ... , HIV infection, ... Bacterial, viral, parasitic ... #differential #diagnosis
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
Causes of Relative ... , Typhoid fever, ... #bradycardia #Causes ... #differential #diagnosis ... #infectiousdiseases
Infectious Causes of Adrenal Insufficiency
Anatomical distribution of vessels to the adrenal makes the gland prone to
Infectious Causes ... : HIV (Predisposing ... Pneumocystis Jiroveci • Parasites ... #differential #diagnosis ... endocrinology #infectiousdiseases
Clinical Manifestations of Human Herpes Viruses (HHV)

Herpes simplex virus 1	HSV-1	Frequently subclinical (80-90%) Oral lesions (10-20%) congenital
Herpes simplex virus ... Herpes simplex virus ... Epstein—Barr virus ... 7 HHV-7 Fever, ... #Microbiology #Diagnosis
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis Algorithm
Neoplasm:
• NHL
• Hodgkin's lymphoma
• Leukemia
• Solid
Causes of Fever ... - Differential Diagnosis ... Infection: • HIV ... malaria) • other parasites ... #Algorithm #causes
Causes of Myocarditis 
1. Infectious Myocarditis
 • Bacterial - Staphylococcus, Streptococcus, Pneumococcus, Meningococcus, Gonococcus, Salmonella, Corynebacterium
Causes of Myocarditis ... Leishmania • Parasitic ... virus, yellow fever ... , Lassa fever virus ... #differential #diagnosis
ID Approach to Fever and Rash - Diagnostic Algorithm
Central Maculopapular (most common):
Measles, Parvovirus 819 / EBV,
ID Approach to Fever ... and Rash - Diagnostic ... 819 / EBV, Acute HIV ... Rash #Febrile #Diagnosis ... Algorithm #Schema #InfectiousDiseases