12 results
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
associated with infection ... Cerumen impaction Infectious ... by bacterial infections ... (90%), Fungal infections ... • Tumor • Infection
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
: infections (cutaneous ... mycobacterial infection ... Parvovirus B19 infection ... and include: infections ... #table #differential
Hordeolum vs Chalazion

Hordeolum (Stye):
 • Location: Most commonly found at or near an eyelash follicle
 •
eyelash follicle • Cause ... : Bacterial infection ... eyedrops, surgery #Clinical ... Stye #Chalazion #Comparison ... #Table
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
Non-Hodgkin's Lymphoma - Comparison ... e.g., HIV), EBV infection ... Etiology: - Infections ... #oncology #diagnosis ... #differential #
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... and clinical associations ... Infections 2. ... #rheumatology #comparison ... #table
Aplastic Anemia - Overview

Who?
• M = F
• 3 peaks:	1) Childhood	2) 15-25 years	3) >60 years

What?
• Aplastic anemia
Aplastic Anemia Clinical ... Neutropenia - recurrent infections ... and petechiae Causes ... Idiopathic • Infections ... and thymoma DDX
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
high index of clinical ... in up to 30% of cases ... large infarct - Infectious ... #Endocarditis #comparison ... Marantic #diagnosis #table
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... • Most common cause ... Lung Abscess - Clinical ... Lung Abscess Differential ... Abscess #pulmonary #differential
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Clinical Picture ... life-threatening Differential ... Diagnosis - Clinical ... Clinical DX: - ... precipitated by: Drugs, infection
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
petechiae) • Frequent infections ... Macrocytic anemia DDX ... • Parvovirus infection ... blood count with differential ... diagnosis #hematology #oncology