49 results
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
specificity for EKG ... EKG is helpful in ... evaluating for other causes ... in relation to ECG ... Embolism #AcutePE #diagnosis
Common sodium channel blockers which cause QRS widening.

Anticonvulsants: 
 - Carbamazepine 
Antidysrhythmics:  
 - Group
blockers which cause ... - Group IA and ... QRS #widening #ECG ... #EKG #Pharmacology ... Medications #Toxicology #Diagnosis
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
(usually IgG) (e.g ... (usually IgM) (e.g ... deficiencies (e.g ... Membrane defects (e.g ... #hematology #anemia
High Output Heart Failure - Pathophysiology and Differential Diagnosis
Obesity - Systemic Vasodilation, Vasoactive Adipokines
Arteriovenous Fistula -
and Differential ... Diagnosis Obesity ... - Congenital (e.g ... HHT), Acquired (e.g ... #cardiology #causes
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... function test, ANA (e.g ... or if a primary hematologic ... #Differential #Diagnosis ... #hematology
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... (e.g. heparin contamination ... inhibitory drugs (e.g ... specific inhibitor (e.g ... #hematology #coagulation
Mixing Study
 • Clotting tests can be abnormal due to either a clotting factor deficiency, or
factor activity (e.g ... clotting test (e.g ... Mixing #Study #diagnosis ... #hematology #pathophysiology ... #hematology #laboratory
How do you work up an ischemic CVA?
A) Initial Evaluation
 • ABCs
 • IV access, monitor
r/o hemorrhage and ... Cardioembolic: • ECG ... +/- TEE (high Afib ... v Holter (r/o Afib ... stroke #workup #diagnosis
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Causes of Fatigue ... - Differential Diagnosis ... Neoplastic / Hematologic ... Myasthenia Gravis Pharmacologic ... • Drug Abuse (e.g
Hydroxychloroquine Serum Measurement in SLE
 • Terminal elimination half-life = 40 days ([HCQI reflects long-term intake)
concentration: > 750ng/mL and ... • Special cases ... (e.g. renal failure ... Measurement #SLE #rheumatology ... #pharmacology #