34 results
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
EKG in Acute Pulmonary ... specificity for EKG ... evaluating for other causes ... #EKG #Pulmonary ... Embolism #AcutePE #diagnosis
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... abberancy - N B Afib ... 200ms from longer pause ... bradyarrhythmia #ECG ... #EKG #diagnosis
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Control rate (e.g ... with caution in pulmonary ... Treat underlying cause ... Control rate (e.g ... Treat underlying cause
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
- Malignancy (e.g ... CNS pathology (e.g ... pathology (e.g. ... exacerbation) - Drugs (e.g ... #Table #Causes
Acute Coronary Syndrome (ACS) Definitions - Stable Angina, Unstable Angina, NSTEMI, STEMI
1 STABLE ANGINA - Angina
thrombus formation causes ... partial occlusion ... is reflected by ECG ... #Diagnosis #Cardiology ... Text: The Only EKG
Diastolic Function Grading - Schematic diastolic filling patterns

I: impaired relaxation, II: moderate diastolic dysfunction (pseudonormal), III:
LV compliance), ECG ... progression, LA: left atrium ... , PASP: pulmonary ... #Diagnosis #Cardiology ... Grades #Criteria #Table
Chest Pain - Diagnosis and Workup Algorithm

History and Exam
Acute life-threatening causes:
 • Acute myocardial infarction
 •
Chest Pain - Diagnosis ... life-threatening causes ... Pneumothorax • Pulmonary ... Initial workup: • EKG ... , PT. aPTT • Serial
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
- Differential Diagnosis ... High altitude (eg ... Intrapulmonary shunting (eg ... intracardiac shunting (eg ... , atrial or ventricular
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
stagnant hypoxia (e.g ... carrying capacity (e.g ... abnormal hemoglobin (e.g ... cannot use oxygen (e.g ... #differential #diagnosis
Pulmonary Arterial Catheterization – Use and Interpretation:
-Pulmonary arterial catheterization (PAC) has never been shown to improve
Pulmonary Arterial ... However, when the diagnosis ... cardiogenic shock (eg ... #Diagnosis #PACatheter ... #Differential #Table