18 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 #Patterns #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
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
exacerbations • PFT ... spirometry - FEV1 ... : Persistently abnormal ... spirometry - FEV1 ... #Asthma #COPD #comparison
Abnormal Liver Function Tests - Differential Diagnosis Algorithm for Transaminitis
Hepatocellular Pattern (ALT or AST > ALP):
Abnormal Liver Function ... Differential Diagnosis Algorithm ... Burak @kwburak #LFTs ... #Elevated #Abnormal ... Transaminitis #Algorithm
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
Elevated Liver Enzymes ... Differential Diagnosis Algorithm ... disease US — Normal ... • Others #LFTs ... #Causes
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Differential Diagnosis Algorithm ... Elevated PTH (High ... or normal): • ... Differential #Diagnosis #Algorithm ... #causes #endocrinology
Causes of Metabolic Acidosis - Gap and Non-Gap - Differential Diagnosis Algorithm
 • Elevated Anion Gap
Causes of Metabolic ... Differential Diagnosis Algorithm ... • Elevated Anion ... Gain of H+) • Normal ... #Causes
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... with elevated Mean ... Differential Diagnosis Algorithm ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
Hyponatremia - Diagnostic Evaluation Algorithm

Step 1: Consider whether Posm may actually be normal or elevated
Step 2:
Diagnostic Evaluation Algorithm ... may actually be normal ... or elevated Step ... considered likely, the cause ... Workup #Evaluation #Algorithm
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
Differential Diagnosis Algorithm ... Elevated Hemoglobin ... Polycythemia - Acquired Causes ... ), TEMPI (VEGF normal ... Differential #Diagnosis #Algorithm