41 results
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... symptoms - Headache, fever ... , fatigue, Nausea ... , abdominal pain ... Urticaria #diagnosis #rheumatology
Causes of Acute Onset Fever - Differential Diagnosis Algorithm
Viral:
 • Rhinovirus
 • Influenza Virus
 • Parainfluenza
Onset Fever - Differential ... • Thoracic • Abdominal ... • Sickle Cell disease ... • Drug fever ... #Fever #Acute
Acute and Chronic Causes of Dyspnea - Differential Diagnosis
Pulmonary/Chest Wall:
 • Acute: Trauma, COPD exacerbation, Asthma
Acute and Chronic Causes ... dysfunction, Goiter Abdominal ... Ascites, Intra-abdominal ... poisoning, DKA, Fever ... Acute #Chronic #Causes
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Differential Diagnosis Algorithm ... Agglutination - Cold ... bartonella (oroya fever ... Differential #Diagnosis #Algorithm ... #workup #hematology
Liver Abscess
•	Pyogenic abscess, accounts for 80% of abscess.
•	Amebic abscess due to Entamoeba histolytica, accounts for 10%.
•	Fungal
the bacterial cases ... organisms: E. coli ... • Fever in 90% ... & abdominal pain ... cm Continuous fever
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
Pain Causes - Differential ... • Could potentially ... Red Flags: • Fever ... Consider cardiac causes ... genitourinary causes
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... Differential Diagnosis Algorithm ... 90%, Abnormal Abdominal ... Ultrasound High ... #Causes #Hematology
Factors that May Affect Fetal Oxygenation - Differential Diagnosis Algorithm

Excessive Uterine Activity:
 • Hyperstimulation
 • Placental
Differential Diagnosis Algorithm ... • Respiratory disease ... Conditions: • Fever ... Differential #Diagnosis #Algorithm ... #Causes #Obstetrics
Shock - Differential Diagnosis Framework
 - MAP <65. SBP <90, drop in SBP > 40
 -
Insufficiency, Liver ... Medications, Spinal Cord ... , Severe Valve Disease ... Severe auto-PEEP, Abdominal ... #criticalcare #algorithm
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... : • 80% have fever ... decubitus - air fluid level ... Coli - P. ... #differential #causes