69 results
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
of Hemoptysis - Differential ... Malformation Normal CXR ... Abnormalities • CHF ... Vasculitis Infection ... #Hemoptysis #Differential
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Chronic Cough - Differential ... sweats, chills (infection ... lung disease or CHF ... ) • Abnormal CXR ... Chronic #Cough #Differential
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... • CD4 < 200: Pulmonary ... Evaluation: Imaging (CXR ... ID_fellows #Pulmonary ... diagnosis #evaluation #differential
Generalized Weakness - Differential Diagnosis Framework
"l feel weak":
 • Infectious: Influenza, EBV, PNA, Bacteremia, Sepsis
 •
Generalized Weakness - Differential ... feel weak": • Infectious ... CV/Resp/Heme: CHF ... Rhabdomyolysis, Critical ... Generalized #Weakness #Differential
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
consolidation is pulmonary ... cardiogenic edema, to differentiate ... infection, ARDS ... #CXR #Diffuse # ... Consolidation #Differential
Faget's Sign & Liebermeister's Rule
Pulse-Temperature Dissociation
EVERY 1 F RISE IN TEMPERATURE -> HR INCREASES 8-10 BPM
INFECTIOUS
INCREASES 8-10 BPM INFECTIOUS ... • Drug Fever CLINICAL ... the most likely infection ... help hone your differential ... #diagnosis #differential
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
symptomatology Differential ... allopurinol), Infection ... , anti-CCP • CXR ... DAH, rule out infection ... Renal #Syndrome #differential
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
inhalational injury Differential ... Opacities: • Infectious ... Nocardia, zoonotic infections ... #diagnosis #pulmonary ... #CXR #clinical
Non-Resolving Pneumonias: Etiologies
Unusual Infections:
 - Immunocompromised patients (e.g.: Mycobacterium, Aspergillosis, Nocardia)
 - Endemic Fungi (e.g.: Histoplasmosis,
Etiologies Unusual Infections ... Others: - Pulmonary ... abnormalities (Pulmonary ... infarction/PE, CHF ... #differential
Tachypnea - Differential Diagnosis Framework

Definitions
 • Tachypnea: Respiratory rate > 20/min, shallow breathing in adults
 •
Tachypnea - Differential ... deep breathing Pulmonary ... Pneumonia • CHF ... dysfunction; toxic ingestions ... Tachypnea #Hyperpnea #Differential