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Polycythemia (Erythrocytosis) - Pathophysiology

#Polycythemia #Erythrocytosis #Pathophysiology #hematology #algorithm #differential #diagnosis
Polycythemia (Erythrocytosis ... #Polycythemia #Erythrocytosis
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Polycythemia (Erythrocytosis ... Abdominal Ultrasound High ... #Polycythemia #Erythrocytosis
Differentiating Features Between Central and Peripheral Cyanosis

Mechanism - Arterial destauration
Sites - Skin, mucous membrane of oral
Present Secondary erythrocytosis ... Absent Secondary erythrocytosis
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
Erythrocytosis - ... poisoning, OSA/OHS, High ... MatthewHoMD #Erythrocytosis
Clues to Differential Diagnosis of Central Cyanosis: Onset of cyanosis, Clubbing, Secondary erythrocytosis, Auscultation, X-ray, Echocardiography,
Clubbing, Secondary erythrocytosis
Rheumatoid Arthritis - ACR 2021 Guidelines
 - Low Disease Activity
 - Moderate to High Disease Activity
- Moderate to High ... Tapering DMARDs - Treatment ... Guidelines #management #treatment
Severe Asthma Exacerbation
Signs of a Severe Asthma Exacerbation:
 • Vitals: ↑HR ↑RR ↓SpO2
 • High work
↑RR ↓SpO2 • High ... • ABG: - High ... of baseline Treatments ... mechanical #management #treatment
Pericarditis can be seen on EKG with diffuse ST elevations without reciprocal changes along with diffuse
First line treatment ... pericarditis is high ... Alternatively, high
Thrombotic Microangiopathy - TTP VS HUS

Big picture points : Often hard to differentiate the two entities,
distinction has HUGE treatment ... implications : TTP has high ... and first-line treatment
Shock - Differential Diagnosis Framework
 - MAP <65. SBP <90, drop in SBP > 40
 -
Lactate > 1.5 High ... Injury Low CO / High ... Dehydration Shock Treatment ... criticalcare #algorithm #treatment