33 results
COVID-19 Signs and Symptoms at the time of Presentation

Fever
Myalgia
Headache
Rinorrhea
Sore Throat
Dyspnea
Chest Tightness
Cough
Sputum
Hemoptysis
Nausea/Vomiting
Diarrhea

Dr. Josh Farkas @pulmcrit via Internet
Symptoms at the ... Presentation Fever ... Myalgia Headache ... Sputum Hemoptysis Nausea ... #Symptoms #Diagnosis
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential ... Diagnosis Algorithm ... ) • Systemic symptoms ... and signs (e.g. ... , fever, myalgia
Anaplasma Infection - Anaplasma phagocytophilum
Pathophysiology: 
 • Obligate, intracellular bacteria
 • Transmitted via blacklegged tick —
within morulae Signs ... and symptoms: ... after bite • Fever ... , headache, malaise ... Anaplasma #Infection #diagnosis
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... • Fever - Febrile ... #signs #symptoms ... #clues #differential ... #diagnosis
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... without an obvious cause ... varying neurologic signs ... #differential # ... diagnosis #neurology
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Regions - Frequent Differential ... Diagnoses Medical ... localizing signs ... or symptoms - Malaria ... #travel
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Differential Diagnosis ... Non-Infectious Causes ... falls (like a wave ... Brucellosis Faget's Sign ... #Patterns #Differential
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
13 Dangerous Causes ... CNS infection: fever ... thrombophilia, neurologic signs ... postpartum #Diagnosis ... Dangerous #Deadly #Differential
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Coltivirus Symptoms ... • Fever • Nuchal ... influenzae Symptoms ... Acute meningeal signs ... (fever, nuchal
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
later stage) • Headache ... • Papilledema, headache ... • Caused by immune ... #Tuberculosis #diagnosis ... #differential #