19 results
Biphasic Illness of Leptospirosis
Some patients do not progress to severe disease. Others, rapidly develop severe disease
brief interval symptom ... • Fever • Headache ... hemorrhage • ARDS • Shock ... Biphasic #Phases #Diagnosis ... #Illness #Signs
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
13 Dangerous Causes ... contacts with similar illness ... thrombophilia, neurologic signs ... postpartum #Diagnosis ... Dangerous #Deadly #Differential
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Equina Syndrome Causes ... epidural hematoma • Infection ... suspected, immediate MRI ... CaudaEquina #Syndrome #MSK ... #symptoms #signs
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Heat Stroke - Differential ... Diagnosis Framework ... → Syncope • Signs ... /Symptoms: - Lightheadedness ... diagnosis #causes
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... history of viral infection ... varying neurologic signs ... #differential # ... diagnosis #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... Diagnosis Framework ... Imaging: - MRI ... Demyelinating disease caused ... #differential #
Fever After International Travel

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

Viral Syndromes:
Arboviral infections, a
with headache, ... levels; dengue shock ... with headache, ... and myalgias, symptoms ... Fever #Travel #Differential
Emergent Causes of Headache and Associated Risk Factors
Carbon monoxide poisoning
 - Breathing in enclosed or confined
Emergent Causes ... with the same symptoms ... #redflags #signs ... #symptoms #differential ... #emergency #diagnosis
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... Coltivirus Symptoms ... influenzae Symptoms ... Acute meningeal signs ... second phase of the illness
BEE Syndromes - Non-inflammatory Causes

Immune-mediated conditions affecting the Brain, Eye, and Ear

Visual or auditory symptoms in
Non-inflammatory Causes ... neuropathy (LHON) plus MRI ... consistent with MS ... noninflammatory #differential ... #diagnosis