18 results
High Output Heart Failure - Pathophysiology and Differential Diagnosis
Obesity - Systemic Vasodilation, Vasoactive Adipokines
Arteriovenous Fistula -
High Output Heart ... Congenital (e.g., HHT), Acquired ... Metabolism Severe Anemia ... #Diagnosis #cardiology ... #causes
Nail Disorders secondary to Systemic Diseases
Nail Fold Abnormality
 • SLE
 • Scleroderma
 • Dermatomyositis
Koilonychia - Spoon-shaped
Iron deficiency anemia ... growth (e.g.. shock ... #Secondary #dermatology ... #Differential # ... 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
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
and Primary Causes ... renal failure/uremia ... Pruritus #primary #secondary ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Causes of Palpitations
 • ARRHYTHMiA 
 • SINUS ARRYTHMIA 
 • ATRIAL FIBRILLATION 
 • ATRIAL
STRUCTURAL DISEASE • ACQUIRED ... DRUG WITHDRAWAL SYSTEMIC ... • ANAEMIA ... #Differential # ... Diagnosis #Cardiology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... psychiatric changes), high ... MCV anemia (vegan ... evaluation: not required ... #Workup #hematology
Tachypnea - Differential Diagnosis Framework

Definitions
 • Tachypnea: Respiratory rate > 20/min, shallow breathing in adults
 •
Tachypnea - Differential ... effusion/Tamponade Hematologic ... : • Anemia ... • Hypovolemic shock ... poisoning Nervous System
Secondary Causes of Hypothermia - Differential Diagnosis Framework

Definition:
- Core temp < 35°C

Infectious:
 - Sepsis

Neuromuscular Disease:
 -
Secondary Causes ... Hypothermia - Differential ... insufficiency - Multi-system ... trauma - Shock ... #Causes
Pulse Abnormalities - Differential Diagnosis Algorithm
Unequal/DeIayed:
 • Obstructive arterial disease (ie. Atherosclerosis)
 • Aortic dissection
 •
• Hypovolemic shock ... regurgitation • High ... Anemia, hypoglycemia ... Abnormalities #Disorders #Cardiology ... Diagnosis #Algorithm #causes
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

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