16 results
Biphasic Illness of Leptospirosis
Some patients do not progress to severe disease. Others, rapidly develop severe disease
brief interval symptom ... • Headache ... suffusion (redness w/o exudate ... dysfunction) • Pulmonary ... #Signs
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential ... history of cancer, HIV ... ) • Systemic symptoms ... and signs (e.g. ... , fever, myalgia
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Regions - Frequent Differential ... infection Cardinal Symptoms ... localizing signs ... or symptoms - Malaria ... melioidosis, typhoid, pulmonary
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Heat Stroke - Differential ... → Syncope • Signs ... /Symptoms: - Lightheadedness ... sensations - Headache ... #differential #
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
Dangerous Causes of Headache ... coagulopathy, decreased level ... contacts with similar illness ... thrombophilia, neurologic signs ... Dangerous #Deadly #Differential
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Herpesviruses (MCC: HSV ... Coltivirus Symptoms ... influenzae Symptoms ... Acute meningeal signs ... second phase of the illness
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
(IRIS): • In HIV ... lymphadenopathy, pulmonary ... later stage) • Headache ... • Papilledema, headache ... Tuberculosis #diagnosis #differential
Cytomegalovirus (CMV) in HIV-AIDS Patients
Cytomegalovirus (CMV): double-stranded DNA virus, herpesvirus family.
CMV infection: virus isolation or detection
regardless of symptoms ... or signs. ... Pancreatitis • Pulmonary ... AIDS #diagnosis #differential ... #signs #symptoms
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... • Fever - Febrile ... deficits (CN Ill, IV ... #signs #symptoms ... #clues #differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential ... • CT: Halo sign ... Constitutional symptoms ... #AIDS #pulmonary ... #differential #