16 results
High Output Heart Failure - Pathophysiology and Differential Diagnosis
Obesity - Systemic Vasodilation, Vasoactive Adipokines
Arteriovenous Fistula -
High Output Heart ... Congenital (e.g., HHT), Acquired ... #HeartFailure #CHF ... #Diagnosis #cardiology ... #causes
Tachypnea - Differential Diagnosis Framework

Definitions
 • Tachypnea: Respiratory rate > 20/min, shallow breathing in adults
 •
Tachypnea - Differential ... Pneumonia • CHF ... effusion/Tamponade Hematologic ... • Hypovolemic shock ... Tachypnea #Hyperpnea #Differential
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... psychiatric changes), high ... evaluation: not required ... or if a primary hematologic ... #Workup #hematology
Causes of Acute Liver Injury - Differential Diagnosis
Hepatocellular - Liver Parenchyma
 • Infectious: Hepatitis C, A,
Causes of Acute ... Liver Injury - Differential ... Budd-Chiari, Congestion/CHF ... Hepatic Artery: Shock ... #Diagnosis #Causes
Pulse Abnormalities - Differential Diagnosis Algorithm
Unequal/DeIayed:
 • Obstructive arterial disease (ie. Atherosclerosis)
 • Aortic dissection
 •
Abnormalities - Differential ... • Hypovolemic shock ... regurgitation • High ... Abnormalities #Disorders #Cardiology ... Diagnosis #Algorithm #causes
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
patients), "Hospital-acquired ... anemia" High MCV ... morphologic #mcv #differential ... #diagnosis #causes ... #hematology
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
- Polycythemia Differential ... Polycythemia - Acquired ... Causes: • Hypoxia-driven ... poisoning, OSA/OHS, High ... Diagnosis #Algorithm #hematology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... phlebotomy High ... Hypoaldosteronism • Acquired ... Food - Avoid in CRF ... #diagnosis #causes
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... phlebotomy High ... Hypoaldosteronism • Acquired ... Food - Avoid in CRF ... #diagnosis #causes
Quincke's Pulse in a patient with a normal echocardiogram (non-valvular)

A 70 y/o man presents with new
RHC to confirm high-output ... HF. ... highest on my differential ... EtOH causes thiamine ... Fingernails #Nailbed #Cardiology