53 results
Anaplasma Infection - Anaplasma phagocytophilum
Pathophysiology: 
 • Obligate, intracellular bacteria
 • Transmitted via blacklegged tick —
Anaplasma Infection ... phagocytophilum Pathophysiology ... scapularis • Infects ... within morulae Signs ... myalgias, shaking chills
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... Differential Diagnosis ... Causes: Mucormycosis ... Reverse #Halo #Sign ... #Differential #
Cytomegalovirus (CMV) in HIV-AIDS Patients
Cytomegalovirus (CMV): double-stranded DNA virus, herpesvirus family.
CMV infection: virus isolation or detection
of symptoms or signs ... 50 or less: • Neurologic ... Retinitis (Most common cause ... Pancreatitis • Pulmonary ... #signs #symptoms
Opportunistic Infections in HIV/AIDS
Here's a little symptom-based guide to OIs in pts with HIV I made
Opportunistic Infections ... Changes - Neuro Deficits ... Hemoptysis - Pulmonary ... Opportunistic #Infections ... Guide #Symptoms #Signs
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
The most common cause ... cardiogenic edema, to differentiate ... from the various causes ... Look for other signs ... infection, ARDS
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
history of cancer, HIV ... • Neurological deficits ... • Meningeal signs ... Systemic symptoms and signs ... lesion • CNS infection
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
- Vertigo - Differential ... symptoms/signs, ... nystagmus - Infection ... Dizziness #Vertigo #Neurology ... #Differential #
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
Edema (NCPE) - Differential ... • Signs/Symptoms ... • Signs/Symptoms ... - The classic signs ... #differential #diagnosis
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Fevers and/or chills ... Most Common Causes ... Nasal polyps and signs ... , CCP, ANCA • HIV ... #differential #
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Regions - Frequent Differential ... without localizing signs ... melioidosis, typhoid, pulmonary ... eosinophilia - Tropical pulmonary ... Returning #Traveler #differential