107 results
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... immunofluorescence Immune Complex ... With associated pulmonary ... Pauci-immune mediated (Negative
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Noncardiogenic Pulmonary ... Causes include: ... • Normal or negative ... pg/ml EKG: • Negative ... infarction • Gram negative
Chest Pain - Differential Diagnosis Algorithm
Cardiovascular Causes:
 - Outflow Obstruction
     • Aortic
Cardiovascular Causes ... • Myocarditis Pulmonary ... Vascular • Pulmonary ... present) • Pulmonary ... • Herpes Simplex
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
a crescent or complete ... • Infectious Causes ... Non-Infectious Causes ... organizing pneumonia, Pulmonary ... Differential #Diagnosis #pulmonary
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pulmonary Renal ... Presentation (Pulmonary ... Diagnosis for Pulmonary ... polyangiitis) - ANCA-negative ... Cryoglobulinemia) • Immune Complex
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
appearances of pulmonary ... Drug toxicity, Pulmonary ... Mycobacterium avium complex ... • Nodular/Masses ... Mycobacterium avium complex
Causes of Sudden Unexpected Death in Infancy (SUDI) - Differential Diagnosis Algorithm
Congenital Anomaly / Disorder:
 •
Causes of Sudden ... Neurologic Anomaly • Pulmonary ... ): • Autopsy negative ... Diagnosis #Algorithm #Causes
Cryofibrinogenemia Summary

Cryofibrinogenemia Epidemiology:
 • 40-70 years with a modest female predominance

Cryofibrinogenemia:
 • The precipitation of a
precipitating complex ... thrombophlebitis, pulmonary ... levels >1g/L • Negative ... cryoglobulins • Negative ... causes of secondary
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Stable Narrow-Complex ... with caution in pulmonary ... Treat underlying cause ... with caution in pulmonary ... Treat underlying cause
Point-of-care Ultrasound for Diagnosis of Abscess in Skin and Soft Tissue Infections

1. POCUS is more accurate
POCUS is more accurate ... cellulitis in cases ... POCUS has a negative ... PratsEM #Abscess #POCUS