15 results
Causes of Arterial and Venous Thrombosis - Differential Diagnosis Framework

STRUCTURAL:
 - PFO: paradoxical emboli
 - Popliteal
Causes of Arterial ... Popliteal artery aneurysm ... : Causes arterial ... endocarditis) - Disseminated ... #clots #hematology
ISTH Scoring System for Disseminated Intravascular Coagulation (DIC)
Platelet count:
 • Expected: Low (or normal)
 • Elevation
Scoring System for Disseminated ... using INR use PT ... #Disseminated # ... ISTH #Scoring #diagnosis ... #hematology #laboratory
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... hemorrhage • Disseminated ... intravascularcoagulation (DIC ... amyloidosis #Abnormal ... #Causes #diagnosis
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Disseminated Intravascular ... • Prolonged PT ... Fibrinogen: ↓ • PT ... #Disseminated # ... #Coagulation #diagnosis
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Diagnosis Algorithm ... deficiency - Abnormal ... Meningococcemia - Disseminated ... fulminans - DIC
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... Disseminated intravascular ... coagulation (DIC ... #Causes #diagnosis ... #differential #hematology
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
- Differential Diagnosis ... originating from aneurysms ... Dissection • Aneurysm ... thrombocytopenia - Disseminated ... coagulation and other causes
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
PT/NORMAL PTT: ... PT/ABNORMAL PTT ... PT/NORMAL PTT: ... ABNORMAL PT/ ... discern these causes
Hemoptysis - Differential Diagnosis Framework
Massive Hemoptysis: >150-300 mL in 24h
Airway disease: 
 • Bronchitis, Bronchiectasis, Malignancy
Kaposi's sarcoma • Rheumatologic ... AVM, Thoracic aortic ... aneurysm Misc ... Coagulopathy: DIC ... #pulmonary #causes
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
nerve caused by ... disc swelling with ... efficacy of GCs Abnormal ... GiantCellArteritis #GCA #Rheumatology ... Ophthalmology #Diagnosis