49 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
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
atelectasis • Lung ... CNS depression (e.g ... wall compliance (e.g ... #Hypoxia #differential ... #Diagnosis #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
Syncope is a sudden, transient loss of consciousness, which is thought to be secondary to cerebral
, e.g., due to arrhythmias ... (ruling out differential ... further guide management ... and an initial ECG ... In many cases, syncope
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Diagnosis Framework ... High altitude (eg ... shunting (eg, pulmonary ... intracardiac shunting (eg ... Diagnosis #pulmonary
Myocarditis - Diagnosis and Causes
 • Clinical presentation: Pseudo-acute coronary syndrome, Cardiac failure <3 rnonths, Cardiogenic
ventricular arrythmia, syncope ... Paraclinical assessment: EKG ... #Myocarditis #differential ... #Diagnosis #Causes ... #cardiology #MRI
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
- Syncope Syndromes ... #Syndromes #ECG ... #EKG #Checklist ... #diagnosis #cardiology ... electrocardiogram #differential
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Syncope - Differential ... Respiratory: • Pulmonary ... Embolism • Hypoxia ... #Cardiology #Differential ... #causes
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
- Malignancy (e.g ... carcinoma of the lung ... CNS pathology (e.g ... pathology (e.g. ... #Causes #Sodium
WOBBLER  for ECG assessment in Syncope 
W - Wolff Parkinson White 
O - Obstructed AV
WOBBLER for ECG ... , can be caused ... characteristically cause ... #EKG #ECG #Diagnosis ... #Cardiology