11 results
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Diagnosis Secondary ... malignancies • Anemia ... inflammatory disorders ... #Diagnosis #Causes ... #hematology #secondary
Nail Disorders secondary to Systemic Diseases
Nail Fold Abnormality
 • SLE
 • Scleroderma
 • Dermatomyositis
Koilonychia - Spoon-shaped
Nail Disorders secondary ... • Nephrotic syndrome ... #dermatology #Differential ... #Diagnosis #Algorithm ... #causes
Causes of Neutropenia - Differential Diagnosis
Neonate:
 - Infection - by far the most common cause
 -
- Differential ... - Immunodeficiency ... Megaloblastic anemia-rare ... #diagnosis #causes ... #hematology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
disorder with hypogammaglobulinemia ... infection risk secondary ... autoimmune hemolytic anemia ... DDX - Other causes ... #diagnosis #management
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
Causes of Secondary ... Diagnosis Algorithm ... prolactin, chaotic ... Functional (e.g. eating disorder ... #Diagnosis #Algorithm
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
weight loss, and fever ... permanent alopecia Differential ... lymphopenia, low PLT • Anemia ... with Lupus: • Chronic ... #Diagnosis #Rheumatology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
DDX: Rule Out Secondary ... CausesAnemia ... Marrow Failure • Chronic ... blood count with differential ... #diagnosis #hematology
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... (AG) = {Na - (Cl ... Diagnosis: Causes ... D-lactate (short bowel syndrome ... Anxiety, pain, fever
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
• CT: Halo sign ... papules, pustules, erythematous ... Abdominal pain, chronic ... factor • May cause ... ), anemia, arthralgia
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
purpura: Strong sign ... ischemia • Skin: Erythematous ... Eosinophilia, asthma, chronic ... tract, and often causes ... #Diagnosis #Rheumatology