33 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
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
High altitude (eg ... respiratory drive due to neurologic ... Intrapulmonary shunting (eg ... intracardiac shunting (eg ... #Differential #
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
Surgical devices, e.g ... Sepsis (→ 3-14) e.g ... malignant syndrome (e.g ... #Hyperthermia #Differential ... #Anesthesia #Checklist
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
- Malignancy (e.g ... CNS pathology (e.g ... pathology (e.g. ... #Diagnosis #Table ... #Causes #Sodium
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - Causes ... polyneuropathy (e.g ... #differential # ... diagnosis #table ... #neurology
Causes of Excessive Daytime Sleepiness - Differential Diagnosis Algorithm
Insufficient Sleep
 • Poor Sleep Hygiene
 • Insomnia
Shift Work) Sleep ... Disorders • Neurologic ... Disorders (Eg. ... • Medications (Eg ... • Drug Abuse (Eg
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... Diagnosis and Workup ... function test, ANA (e.g ... (CVID, WAS), (neurologic ... #Workup #hematology
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
- Polycythemia Differential ... Polycythemia - Acquired Causes ... : • Hypoxia-driven ... : Cardiac/pulmonary ... Paraneoplastic (e.g
How do you work up an ischemic CVA?
A) Initial Evaluation
 • ABCs
 • IV access, monitor
How do you work ... Cardioembolic: • ECG ... #CVA #stroke #workup ... #diagnosis #checklist ... #neurology
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
Causes of Polyuria ... - Differential ... SGLT2 inhibitors (e.g ... Infiltrative diseases, Hypoxic ... #nephrology