57 results
Rapidly Growing Mycobacterial Infections

 • Mycobacterium abscessus - Is the most pathogenic and the most likely
Mycobacterial Infections ... pulmonary infection ... with underlying lung ... It can also cause ... Mycobacterium #diagnosis #differential
Cavitary Lung Lesions - Differential
Infection - Malignancy - Rheumatologic - Other

- Dr. David Furfaro https://twitter.com/david_furfaro

#Cavitary #Cavity
Cavitary Lung Lesions ... - Differential ... Infection - Malignancy ... #Lesions #Causes ... Diagnosis #Pulmonary
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign - Infectious ... and Non-Infectious ... consolidation • Infectious ... pneumonia • Non-Infectious ... Dermatomyositis, Lung
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 #
Generalized Weakness - Differential Diagnosis Framework
"l feel weak":
 • Infectious: Influenza, EBV, PNA, Bacteremia, Sepsis
 •
feel weak": • Infectious ... illness, Infection ... ↓, Malignancy, Infection ... #Diagnosis #causes ... #neurology
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
mnemonic for the causes ... of a cavitating lung ... embolus I = infection ... Cavitary #Lesions #Differential ... #Lung #Pulmonary
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Causes of Peripheral ... Weakness • Cardio-pulmonary ... Anemia • Chronic Infection ... Dermatomyositis • Viral infection ... Peripheral #Weakness #Neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
lesions • 80% with lung ... splenomegaly Other infections ... multiple lesions Infectious ... #diagnosis #causes ... #radiology #neurology
Hemoptysis - Differential Diagnosis Framework
Airways: 
 • Bronchitis
 • Bronchiectasis
 • Malignancy: Primary bronchogenic CA, Endobronchial
Hemoptysis - Differential ... Parenchyma: • Infection ... westermani, PNA, Lung ... #Diagnosis #pulmonary ... #causes
Causes of Sudden Unexpected Death in Infancy (SUDI) - Differential Diagnosis Algorithm
Congenital Anomaly / Disorder:
 •
Causes of Sudden ... Arrhythmia • Neurologic ... Anomaly • Pulmonary ... Metabolic Disorders Infection ... Gastrointestinal infection