19 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential ... Diagnosis and Workup ... function test, ANA (e.g ... or if a primary hematologic ... #Workup #hematology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... Increased Requirement (e.g ... • Rule out B12 and ... Deficiency - Abnormal ... #Hematology
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
(e.g. heparin contamination ... inhibitory drugs (e.g ... specific inhibitor (e.g ... amyloidosis #Abnormal ... #hematology #coagulation
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 ... ), TEMPI (VEGF normal ... Diagnosis #Algorithm #hematology
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... to one factor e.g ... e.g. heparin ... inhibitory drugs e.g ... #diagnosis #differential
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
positioning (e.g ... (eg steroid dependency ... #Hypotension #Differential ... Anesthesiology #Anesthesia #Intraoperative ... Diagnosis #Management #Workup
Increased Airway Pressure - Guidelines for Crises in Anaesthesia

Using these steps from start to end should
by switching to hand ... blood gas, 12-lead ECG ... o Aspiration, pulmonary ... Airway #Pressure #Differential ... Diagnosis #Management #Workup
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
stagnant hypoxia (e.g ... carrying capacity (e.g ... hemoglobin (e.g ... #differential # ... diagnosis #causes
Intraoperative Laryngospasm and Stridor - Guidelines for Crises in Anaesthesia

❶ Call for help and inform theatre
Intraoperative Laryngospasm ... obstructing the airway, e.g ... Consider other causes ... negative-pressure pulmonary ... Diagnosis #Management #Workup
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Palpitations - Differential ... exam • 12-lead ECG ... Valvular disease (e.g ... Pheochromocytoma • Pulmonary ... /Afib/WPW) • Loss