11 results
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... Erythrocytosis) - Differential ... Idiopathic JAK-2 Positive ... 90%, Abnormal Abdominal ... Ultrasound High
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Hypertension - Differential ... disease - Renal ultrasound ... ; MRA; abdominal ... conditions (supine position ... Hyperthyroidism • Aortic
Widened Pulse Pressure - Differential Diagnosis and Pathophysiology

Pulse pressure is the difference between the systolic blood
disorders: - Aortic ... regurgitation - Aortic ... significantly positive ... Syndrome • Blunt Abdominal ... Infarction • Pulmonary
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... tract, and often causes ... - GI tract: abdominal ... neuropathy • Absent ... Supply gut -> abdominal
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
CA • Involves aortic ... Blood cultures are positive ... Cerebral > Splenic, pulmonary ... nodes • Roth’s spots ... Marantic (NTBE) Differential
Lung sliding & pneumonia on POCUS
The differential diagnosis for absence of lung sliding includes pneumonia; however,
& pneumonia on POCUS ... The differential ... regardless of position ... #clinical #ultrasound ... #pulmonary #mimics
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
neuropathy • Absent ... < 30 years • Aorta ... Arteritis): • Aorta ... tract, and often causes ... gut involvement, abdominal
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Elevation - Differential ... aVL, V5-6) - Absence ... QRS complex Pulmonary ... Post-cardioversion • Acute aortic
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
- Overview and Differential ... Ovarian CA, involves aortic ... Culture Positive ... Cerebral > Splenic, Pulmonary ... nodes • Roth’s spots
This infographic provides a mnemonic tool called “WOBBLER” for assessing an ECG (electrocardiogram) in cases of
evaluate potential causes ... pathway that can cause ... heart disease like aortic ... waves are small positive ... #cardiology #differential