11 results
Biphasic Illness of Leptospirosis
Some patients do not progress to severe disease. Others, rapidly develop severe disease
brief interval symptom ... -14 days): • Fever ... • Headache ... suffusion (redness w/o exudate ... #Signs
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Regions - Frequent Differential ... localizing signs ... or symptoms - Malaria ... amebic abscess of liver ... , Dengue fever,
Modified dengue severity classification, PAHO/WHO
Dengue without warning signs - DNWS:
 • Person who lives or has
days and presents fever ... Headache/ retro-orbital ... Liver enlargement ... involvement, such as liver ... #fever #severity
Symptoms and signs of Leptospirosis
Acute phase:
 - Fever and headache
 - Conjunctival suffusion, jaundice, and photophobia
Symptoms and signs ... : - Fever and ... headache - Conjunctival ... Myocarditis (rare) - Liver ... #signs #diagnosis
Fever After International Travel

Infectious Disease:
• Endemic in either the destination or home region

Viral Syndromes:
Arboviral infections, a
Fever After International ... with headache, ... and myalgias, symptoms ... including tests of liver ... #Travel #Differential
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
, chikungunya, dengue ... • Fever • Nuchal ... Acute meningeal signs ... (fever, nuchal ... of the illness:
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Muscles, Kidneys, Liver ... Rhabdomyolysis - AKI - Liver ... → Syncope • Signs ... /Symptoms: - Lightheadedness ... tissue damage (AKI, Liver
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
Dangerous Causes of Headache ... CNS infection: fever ... contacts with similar illness ... thrombophilia, neurologic signs ... Dangerous #Deadly #Differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... • CT: Halo sign ... cough, myalgias, headache ... Constitutional symptoms ... , headache, non-productive
Waterborne Infections - Differential Diagnosis Framework

Infections that can be acquired from fresh water, brackish water, sea
Waterborne Infections - Differential ... 4 weeks • The illness ... biphasic • Clinical symptoms ... : headaches, chills ... Meningitis - Liver