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Strongyloides fuelleborni Lifecycle
Free-Living Cycle
1) Eggs containing rhabditiform larvae passed in feces.
2) Rhabditiform larvae hatch in environment.
Parasitic Cycle ... become adults. 8) Parasitic ... intestine 9) Parasitic ... fuelleborni #LifeCycle #Parasite ... #diagnosis #pathophysiology
Causes of Acute Onset Fever - Differential Diagnosis Algorithm
Viral:
 • Rhinovirus
 • Influenza Virus
 • Parainfluenza
- Differential Diagnosis ... • Influenza Virus ... Parainfluenza Virus ... eg.malaria) • Other parasites ... #Differential #Diagnosis
Causes of Erythema Nodosum
Common
 - Idiopathic (up to 55 percent)
 - Infections: streptococcal pharyngitis (28 to
herpes simplex virus ... , Epstein-Barr virus ... immunodeficiency virus ... syphilis - Parasitic ... #Differential #Diagnosis
Causes of Myocarditis 
1. Infectious Myocarditis
 • Bacterial - Staphylococcus, Streptococcus, Pneumococcus, Meningococcus, Gonococcus, Salmonella, Corynebacterium
Leishmania • Parasitic ... virus, rubella ... virus, hepatitis ... virus, Junin virus ... #differential #diagnosis
Infectious Causes of Adrenal Insufficiency
Anatomical distribution of vessels to the adrenal makes the gland prone to
canimorsus • Virus ... , Epstein-Barr virus ... Herpes simplex virus ... Pneumocystis Jiroveci • Parasites ... #differential #diagnosis
Causes of Pediatric Diarrhea - Differential Diagnosis Algorithm
Infectious:
 • Viral
 • Bacterial
 • Parasitic
Malabsorption:
 • Lactase
- Differential Diagnosis ... Bacterial • Parasitic ... Overfeeding • Short ... #Differential #Diagnosis
Causes of Myocarditis
Infectious Etiologies:
 • Viral agents: Adenoviruses, Enteroviruses (coxsackievirus), Herpesviruses (human herpesvirus 6, Epstein—Barr virus),
, Epstein—Barr virus ... ), Hepatitis C virus ... Parvovirus B19 • Parasitic ... #differential #diagnosis
Childhood Immunization Schedule: Why we immunize
 • Diphtheria Toxin -> URT inflammation causes pseudomembrane with hardened
Tetanus Toxin -> Spores ... Fecal-oral route, virus ... shock • Mumps Virus ... lymph -> Koplik's spots ... peds #pediatrics #pathophysiology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
- Differential Diagnosis ... K-ATPase which imports ... #Differential #Diagnosis ... potassium #low #pathophysiology
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Frequent Differential Diagnoses ... , Epstein-Barr virus ... virus, Lassa virus ... Bacterial, viral, parasitic ... #differential #diagnosis