28 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 ... #pulmonary #differential ... #diagnosis #causes
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Hypoxemia / Hypoxia ... CNS depression (e.g ... wall compliance (e.g ... Sophia_Hayes_MD #Hypoxemia ... #Hypoxia #differential
Primary Amenorrhea Differential Diagnosis Framework

Workup:
 • β-HCG, TSH and PRL
 • Breast Tanner Staging
 • FSH,
Primary Amenorrhea ... Differential Diagnosis ... Workup: • β-HCG ... #Differential # ... #obgyn #gynecology
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
disease (COPD) • Hypoxia ... • Pulmonary hypertension ... MAT #Cardiology #Diagnosis ... #ECG #EKG #Management
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
High altitude (eg ... direction leads to hypoxemia ... intracardiac shunting (eg ... Respiratory #Failure #hypoxia ... Diagnosis #pulmonary
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
<35 years old, e.g ... • Functional (e.g ... Stalk Damage (e.g ... #Causes #OBGyn ... #Gynecology
Causes of Abnormal Genital Bleeding - Differential Diagnosis Algorithm
Non-Gynecologic:
 • Medical (e.g. coagulopathy, liver disease, renal
Diagnosis Algorithm ... Non-Gynecologic ... : • Medical (e.g ... #Causes #OBGyn ... #Gynecology
Causes of Primary Amenorrhea - Differential Diagnosis Algorithm
No onset of menarche by age 16 with secondary
Gonadal Dysgenesis (e.g ... Gonadal Dysgenesis (e.g ... • Functional (e.g ... #Causes #OBGyn ... #Gynecology
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
Diagnosis Algorithm ... Acquired Causes: • Hypoxia-driven ... : Cardiac/pulmonary ... altitude habitat • Hypoxia-independent ... Paraneoplastic (e.g
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
Diagnosis is generally ... chest infiltrate (e.g ... Inflammation (e.g ... symptoms (e.g., ... signs (tachypnea, hypoxemia