68 results
Subjective Tinnitus: Pathogenesis and clinical findings
Subjective Tinnitus - Perceived sound with no acoustic stimulus, heard only
structures in or near ... the ear, perceived ... Tinnitus #Causes #pathophysiology ... #differential #diagnosis
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
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
injury -> Ligaments tear ... Inability to weight-bear ... Fractures #msk #diagnosis ... #pathophysiology
Low Ankle Sprain: Pathomechanics and Clinical Findings

Grading Ligament Sprains
l: Minimal ligament disruption, mild swelling & tenderness,
II: Incomplete tear ... Ill: Complete tear ... Grading #Grades #Diagnosis ... #pathophysiology
Jaw Clonus on Physical Exam

A 24-year-old man presented with progressive dysphagia, dysarthria, and weakness in his
Physical Exam A 24-year-old ... consistent with a diagnosis ... ALS #Neurology #NEJM
Leishmaniasis Life Cycle
1) Sandfly takes a blood meal (injects promastigote stage into the skin)
Human Stages:
2) Promastigotes
Leishmaniasis #LifeCycle #diagnosis ... #pathophysiology ... infectiousdiseases #cdc #parasite
Strongyloides Stercoralis Lifecycle
Free-Living Cycle:
1) Rhabditiform larvae in the intestine are excreted in stool. 
2) Development into
Parasitic Cycle: ... become adults. 8) Parasitic ... stercoralis #LifeCycle #diagnosis ... #pathophysiology ... infectiousdiseases #cdc #parasite
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Lymphohistiocytosis (HLH) Pathophysiology ... Auto-amplification loop Diagnosis ... salmonella, ...), Parasites ... Nicolas Taar ... Lymphohistiocytosis #diagnosis
Echinococcus Life Cycle
1) Adult in small intestine eggs
2) Embryonated egg in feces
3) Oncosphere hatches; penetrates intestinal
Echinococcus #LifeCycle #diagnosis ... #pathophysiology ... infectiousdiseases #cdc #parasite
Acute Otitis Media: Pathogenesis and Clinical Findings (in Children)
Upper Respiratory Tract Infection: 
 - Bacterial: Streptococcus
produced in middle ear ... Air from middle ear ... in the middle ear ... #OtitisMedia #pathophysiology ... #diagnosis #symptoms