54 results
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 ... carboxyhemoglobin, Abnormal
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
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Ultrasound Findings ... pleura in severe cases ... bilateral B-lines - Normal ... unilateral B-lines - Normal ... #differential #diagnosis
Pulmonary Function Tests (PFTs) - Interpretation Algorithm
 • Normal
 • Pulmonary Hypertension, Anemia, Carboxyhemoglobinemia
 • Chest
Pulmonary Function ... Algorithm • Normal ... Carboxyhemoglobinemia • Chest ... • Interstitial Lung ... Interpretation #Algorithm #diagnosis
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
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
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
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
- Differential Diagnosis ... in cough) • Abnormal ... lymadenopathy, clubbing, chest ... exam, etc) • Abnormal ... #Algorithm #causes
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
Redistribution In a normal ... supplying the upper lung ... supplying the lung ... The pulmonary vascular ... In these cases comparison
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