3523 results
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Causes of Extravascular ... Warm AIHA • Cold ... Complement-Mediated • Cold ... Diagnosis #Algorithm #Causes
Causes of Urinary Incontinence - Differential Diagnosis Algorithm
 - Transient - Easily reversible cause (DIAPPERS)
Causes of Urinary ... Easily reversible cause ... Precipitated by cold ... neuropathy or spinal cord ... Diagnosis #Algorithm #Causes
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
Cold Urticaria Prevalence ... decades of life Causes ... skin contact with cold ... minutes after the cold ... fever, fatigue, Nausea
Hepatic Abscess: Microbiology
Common Pathogens: E. Coli, K. pneumoniae, Staphylococcus aureus, Streptococcus pyogenes
Rare pathogens that can cause
Coli, K. pneumoniae ... pathogens that can cause ... #differential #causes
Microbial Etiology of Acute Pharyngitis - IDSA
Bacterial
 • Group A streptococcus - Pharyngotonsillitis, scarlet fever
 •
Rhinovirus - Common cold ... Coronavirus - Common cold ... Parainfluenza - Cold ... #differential #causes
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... Autoimmune (AIHA)"Cold ... (e.g. primary cold ... Extravascular #Causes
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Anemia Intrinsic Causes ... elliptocytosis Extrinsic Causes ... • AIHA: warm, cold ... Intravascular Causes ... Differential #Diagnosis #causes
Causes of Acute Infectious Diarrhea
Noninflammatory Diarrhea
Viral - Noroviruses, astrovirus, adenovirus, Rotavirus, sapovirus
Protozoal - Giardia lamblia, Cryptosporidium,
Causes of Acute ... Enterotoxigenic E coli ... Enterohemorrhagic E coli ... Enteroinvasive E coli ... #Diarrhea #Causes
Causes of Urticaria

Immunoglobulin E (IgE) mediated

 - Aeroallergens

 - Contact allergen

 - Food allergens

 - Insect
Causes of Urticaria ... Physical stimuli (cold ... Mediated #NonIgE #Causes
Shock - Differential Diagnosis Algorithm
Warm Extremities
 - Distributive Shock - Low JVP
• Neurogenic Cold ... Diagnosis #Algorithm #causes