31 results
Lung Ultrasound: Cardiogenic Pulmonary Edema vs ARDS
Cardiogenic Pulmonary Edema:
 • Smooth pleural line
 • AIS >
Lung Ultrasound: ... may be P > A, Normal ... #edema #comparison ... #clinical #diagnosis ... #ultrasound
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Algorithm Relative - Normal ... Positive - Low/Normal ... Saturation 90%, Abnormal ... Abdominal Ultrasound ... Heart Disease Abnormal
Pulmonary Function Tests (PFTs) - Interpretation Algorithm
 • Normal
 • Pulmonary Hypertension, Anemia, Carboxyhemoglobinemia
 • Chest
Pulmonary Function ... Algorithm • Normal ... Carboxyhemoglobinemia • Chest ... • Interstitial Lung ... Interpretation #Algorithm #diagnosis
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
Exam: Usually normal ... Findings: Variably abnormal ... or near normal ... : Persistently abnormal ... #Diagnosis #pulmonary
Barcode Sign in Pneumothorax on POCUS - M-Mode

seashore sign: normal lung sliding

barcode/stratosphere sign: pneumothorax 

#Pneumothorax #Barcode
seashore sign: normal ... lung sliding ... #Sign #POCUS #Diagnosis ... #Comparison #Seashore ... stratosphere #Clinical #Pulmonary
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Ultrasound Findings ... bilateral B-lines - Normal ... unilateral B-lines - Normal ... #differential #diagnosis ... #ultrasound #findings
Pneumothorax Diagnosis on M-Mode

Left Lung: Normal sliding, sandy beach appearance

Right Lung: No lung sliding, Barcode Sign!

-
Pneumothorax Diagnosis ... : Normal sliding ... #Sign #POCUS #Diagnosis ... #Comparison #Clinical ... #Pulmonary #LungSliding
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
/0.8)] - PaO2 Normal ... A-a gradient to normal ... Embolism, Obstructive Lung ... , Interstitial Lung ... #differential #diagnosis
Abnormalities in Rate and Rhythm of Breathing 
Normal 
The respiratory rate is about 14—20 per min
of Breathing Normal ... —20 per min in normal ... It may be fast, normal ... Abnormalities #Abnormal ... #Diagnosis #PhysicalExam
Hoover's Sign

Hoover’s sign refers to inward movement of the lower rib cage during inspiration- instead of
outward as is normal ... hyperexpansion of the lungs ... Hoovers #Sign #Pulmonary ... #COPD #PhysicalExam ... #Video #Clinical