33 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Secondary to chronic lung ... disease (COPD) • Hypoxia ... • Pulmonary hypertension ... #Diagnosis #ECG ... #EKG #Management
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
pathology: • Blood ... atelectasis • Lung ... CNS depression (e.g ... wall compliance (e.g ... #Hypoxia #differential
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
High altitude (eg ... • Occurs when blood ... shunting (eg, pulmonary ... intracardiac shunting (eg ... #Differential #
High Output Heart Failure - Pathophysiology and Differential Diagnosis
Obesity - Systemic Vasodilation, Vasoactive Adipokines
Arteriovenous Fistula -
- Congenital (e.g ... HHT), Acquired (e.g ... Vasodilation Lung ... #HeartFailure #CHF ... #causes
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
non-perfused vessels and causes ... in a supine or semi-erect ... during a period of CHF ... #Clinical #Radiology ... #CXR #CHF #Cephalization
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
Mechanism Decr Blood ... - Malignancy (e.g ... carcinoma of the lung ... CNS pathology (e.g ... pathology (e.g.
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Control rate (e.g ... disease or CHF) ... Control rate (e.g ... Tachycardia #Treatment #management ... #cardiology #algorithm
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
leading to increased pulmonary ... congestion with hypoxemia ... objective assessment“ (e.g ... there is no clear cause ... the underlying cause
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 ... • Hypoxic encephalopathy ... #Hyperthermia #Differential