22 results
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
Causes of Secondary Amenorrhea ... - Differential ... positive progesterone challenge ... Radiation • Infection ... #Differential #
Rapidly Growing Mycobacterial Infections

 • Mycobacterium abscessus - Is the most pathogenic and the most likely
Mycobacterial Infections ... cause pulmonary infection ... with underlying lung ... Mycobacterium #diagnosis #differential ... #infectiousdiseases
Causes of Antibiotic Failure - Differential Diagnosis Framework
Diagnosis:
 • Non-Infectious: Malignant, Autoimmune, Drug-related (NMS, serotonin syndrome,
Antibiotic Failure - Differential ... Diagnosis: • Non-Infectious ... lines, osteo, endocarditis ... (daptomycin in lungs ... Antibiotic #Failure #Differential
Common Infections in a Hospitalized Patient - GRUBS-C Mnemonic

G - GI (-itis): Cholecystitis, Pancreatitis, Peritonitis, Appendicitis,
Common Infections ... pneumonia, empyema, lung ... Complications: Endocarditis ... Encephalitis #Infections ... #differential #
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Fever Patterns - Differential ... Acute bacterial endocarditis ... • Infective endocarditis ... Brucellosis • Liver or lung ... Fever #Patterns #Differential
Travel History - Clues to Infectious Disease Diagnosis in a Traveler 
 • Where did you
History - Clues to Infectious ... association • How long ... Herpesvirus B infection ... HPI #Interview #InfectiousDiseases ... #Infections #differential
Co-occurrence of Lung-Brain Infections
When we hear a patient w/ co-occurrence of lung-brain infection, Nocardia seems to
Co-occurrence of Lung-Brain ... co-occurrence of lung-brain ... Tuberculosis • Endocarditis ... #Infections #Lung ... #Brain #Differential
Hemoptysis - Differential Diagnosis Framework
Massive Hemoptysis: >150-300 mL in 24h
Airway disease: 
 • Bronchitis, Bronchiectasis, Malignancy
Hemoptysis - Differential ... Parenchyma: • Infection ... Malignancy: Primary lung ... regurgitation, Tricuspid endocarditis ... Postprocedural, Lung
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Culture-Negative Infective Endocarditis ... • Infection with ... Negative #Infective #Endocarditis ... #diagnosis #differential ... #workup #infectiousdiseases
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Infectious: • Pre-existing ... devices (CIED) Non-Infectious ... verrucous) • Lung ... infarction • Infectious ... Marantic (NTBE) Differential