55 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Secondary to chronic lung ... • Hypoxia • Pulmonary ... • Oxygen • Treatment ... MAT #Cardiology #Diagnosis ... #ECG #EKG #Management
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. ... #Table #Causes
Diastolic Function Grading - Schematic diastolic filling patterns

I: impaired relaxation, II: moderate diastolic dysfunction (pseudonormal), III:
LV compliance), ECG ... atrium, PASP: pulmonary ... #Diagnosis #Cardiology ... Dysfunction #Grading #Classification ... Grades #Criteria #Table
Lung Abscess
Microbiology:
 • Polymicrobial 
 • Anaerobes (most common) 
Clinical: 
 • Indolent symptoms that evolve
Lung Abscess Microbiology ... , hemoptysis Treatment ... • Carbapenem (e.g ... #Abscess #Diagnosis ... #Pulmonary #Clinical
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
- Differential Diagnosis ... High altitude (eg ... shunting (eg, pulmonary ... intracardiac shunting (eg ... #Differential #Diagnosis
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
repolarization causes ... prolonged PR and QT ... #Diagnosis #Hyperkalemia ... #EKG #ECG #Changes ... #Progression #Table
Vasopressors Table 
Rough properties by Target Receptor, Heart Rate/Inotropy, Systemic Vascular Resistance, Cardiac Output, Blood Pressure,
Vasopressors Table ... Blood Pressure, Pulmonary ... Resistance, Main Uses ... Vasopressors #Properties #Table ... #Pharmacology #
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
- Differential Diagnosis ... by Classification ... Medication side effect (e.g ... Medication side effect (e.g ... #Table #Causes
Congenital Long QT Syndrome: Illness Script

Who?
 - Kids or young adults, usually < 30
 - high
Congenital Long ... **Get baseline EKG ... family history) Treatment ... abnormalities - Avoid QTc ... LongQT #Syndrome #Diagnosis
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... • Most common cause ... • Vasculitis (e.g ... #Abscess #pulmonary ... #differential #causes