20 results
Patterns of pulmonary dysfunction revealed by flow-volume loops. For comparison, a normal loop is shown with
For comparison, ... a normal loop is ... Diagnosis #PFTs #Spirometry ... #FlowVolume #Loops ... #Normal #pulmonary
Forced vital capacity (FVC) curves comparing normal, obstructive, and restrictive disorders. Curves are as they appear
curves comparing normal ... commonly available spirometers ... Diagnosis #Pulmonary #Spirometry ... #Restrictive #Normal ... #Comparison
Flow Volume Loops - Common Patterns
A. Normal
B. Emphysema
C. Unilateral Main Stem Bronchial Obstruction
D. Fixed Upper Airway
Normal B. ... Diagnosis #PFTs #Spirometry ... #FlowVolume #Loops
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
Exam: Usually normal ... spirometry - FEV1 ... often normal or ... near normal between ... #Asthma #COPD #comparison
Kidney Biopsy - Diagnosis Algorithms
1) Normal Glomerulus by LM
2) Glomerular Crescents
3) Double Contours of GBM
4) Endocapillary
Biopsy - Diagnosis Algorithms ... 1) Normal Glomerulus ... Double Contours of GBM ... renal #Diagnosis #Algorithm
Idiopathic Inflammatory Myopathies - 
Dermatomyositis (DM), Immune-Mediated Necrotizing Myopathy (IMNM), Antisynthetase Syndrome (ASS), Inclusion Body Myositis
Body Myositis (IBM ... Idiopathic #Myopathy #Comparison ... #Managment #algorithm
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Idiopathic • Normal ... Henoch-SchonIein Purpura Anti-GBM ... to Kidney: Anti-GBM ... involvement: Anti-GBM ... differential #diagnosis #algorithm
Differentiation between Portal Venous Gas and Pneumobilia #Diagnosis #EM #Rads #Surgery #Differential #Differentiation #HepaticGas #Pneumobilia #PortalVenous
Differentiation between Portal ... Pneumobilia #Diagnosis #EM ... #PortalVenous #Portal ... MesentericIschemia #Algorithm
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
captured beats (normal ... hybrid complex of normal ... Brugada algorithm ... Aberration #Aberrancy #Comparison
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
Non-Hodgkin's Lymphoma - Comparison ... Immunosuppression (e.g., HIV), EBV ... - Location (nodal ... also arise in normal ... #NonHodgkins #comparison