20 results
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
(e.g low cardiac ... carrying capacity (e.g ... cannot use oxygen (e.g ... #diagnosis #causes ... #pathophysiology
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
High altitude (eg ... respiratory drive due to neurologic ... direction leads to hypoxemia ... Intrapulmonary shunting (eg ... intracardiac shunting (eg
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Risks factor for HIV ... function test, ANA (e.g ... (CVID, WAS), (neurologic ... or if a primary hematologic ... #Workup #hematology
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Causes of Fatigue ... Neoplastic / Hematologic ... Chronic Obstructive Pulmonary ... Disease Neurologic ... • Drug Abuse (e.g
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
Polycythemia - Acquired Causes ... : • Hypoxia-driven ... : Cardiac/pulmonary ... Paraneoplastic (e.g ... Diagnosis #Algorithm #hematology
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
by excretion (e.g ... its metabolism (e.g ... Multiple conditions ... output - Acute pulmonary ... Ethylene glycol - HIV
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Leukostasis: • Pathophysiology ... high WBC count cause ... coma - Pulm: Hypoxia ... unless worrisome EKG ... diagnosis #management #hematology
BEE Syndromes - Non-inflammatory Causes

Immune-mediated conditions affecting the Brain, Eye, and Ear

Visual or auditory symptoms in
Non-inflammatory Causes ... Immune-mediated conditions ... pachymeningitis • HIV ... skull neoplasms (e.g ... BEE #Syndromes #neurology
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Disease, PRES Pathophysiology ... autoantibodies that will cause ... Lumbar Puncture, EEG ... Erythematosus #SLE #CNS #neurology ... #rheumatology #
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Extra-articular and Other Conditions ... Wilson's disease Pulmonary ... syndrome - SLE Neurologic ... disease, Vasculitis (e.g ... Extrarticular #conditions