40 results
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
, Typhoid fever, ... , Dengue fever, ... ß-blockers, CNS lesions ... bradycardia #Causes #differential ... #diagnosis #infectiousdiseases
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
- Frequent Differential ... without genital lesions ... melioidosis, typhoid, pulmonary ... eosinophilia - Tropical pulmonary ... Returning #Traveler #differential
Tick Borne Illnesses
 • Lyme (Borrelia)
 • Babesiosis (Babesia)
 • Human Monocytic Ehrlichiosis (Ehrlichia)
 • Human
Mountain Spotted Fever ... Borne #Illnesses #differential ... #diagnosis #comparison ... #table #infectiousdiseases
Systolic Murmurs - Differential Diagnosis Algorithm
Benign / Flow / Hyperdynamic:
 • Pregnancy
 • Fever
 • Anemia
Supravalvular
Systolic Murmurs - Differential ... Pregnancy • Fever ... • Rheumatic Fever ... • Rheumatic Fever ... • Rheumatic Fever
A 50 yo F with a history of poor dentition presents to the ED with fever
to the ED with fever ... A CXR is done. ... Diagnosis: Cavitary lesion ... abscess #Clinical #Radiology ... #CXR #ChestXRay
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
or air-filled lesions ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... LowAttenuation #Differential ... #Diagram #Comparison
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Cough, Dyspnea, Fever ... symptomatology Differential ... • Labs: CBC, cr ... , anti-CCP • CXR ... Renal #Syndrome #differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... Polymorphic skin lesions ... Infections #HIV #AIDS #pulmonary ... #differential # ... diagnosis #infectiousdiseases
Katayama Fever - Physical examination and diagnostic testing revealed multiple small papules on the trunk (Panel
Katayama Fever - ... #Clinical #Radiology ... #InfectiousDisease ... #CXR #Schistosomiasis ... #Katayama #Fever
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
initiation of smoking; Fever ... brown sputum, fever ... Travel hx, food hx; Fever ... #differential # ... diagnosis #comparison