13 results
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... to one factor e.g ... e.g. heparin ... inhibitory drugs e.g ... #differential #hematology
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
(e.g. heparin contamination ... inhibitory drugs (e.g ... specific inhibitor (e.g ... amyloidosis #Abnormal ... #differential #hematology
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Causes include: ... edema • BNP level ... <100 pg/ml EKG ... Transfusion-related acute lung ... differential #diagnosis #cardiology
Abnormalities in Rate and Rhythm of Breathing 
Normal 
The respiratory rate is about 14—20 per min
Abnormalities in ... the medullary level ... Breathing #Patterns #Pulmonary ... #Abnormalities ... #PhysicalExam
Hemorrhagic Pericardial Effusions (Hemopericardium)- Differential Diagnosis Framework

IATROGENIC DISEASE
Secondary to invasive cardiac procedures

NONIATROGENIC
• Malignancy (e.g., metastatic spread:
• Malignancy (e.g ... metastatic spread: lung ... patients with pulmonary ... OTHER RARE CAUSES ... Mediterranean fever
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
granulomas within the lungs ... symptoms are not caused ... of diagnosis (e.g ... Pulmonary: dyspnea ... (pain/abnormal
Amiodarone Induced Lung Toxicity Summary

Who?
• 5% of patients
• Dose ≥ 400 mg per day

How?  Possible
Acute toxicity (e.g ... Chronic toxicity (e.g ... Fever 4. ... Exclude other causes ... Eosinophilia • Normal
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
verrucous) • Lung ... Cerebral > Splenic, pulmonary ... Septic Emboli Cause ... ↑ ESR, CRP • EKG ... : Conduction abnormalities
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
• Malignancy (e.g ... . hematologic) ... Endocrine disorders (e.g ... Minimal laboratory abnormalities ... vein thrombosis Hematologic
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Repolarization Abnormalities ... QRS complex Pulmonary ... voltage Other Causes ... #ecg #ekg #electrocardiogram