22 results
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
evaluating for other causes ... common finding) • Atrial ... result of atrial ... in relation to ECG ... Embolism #AcutePE #diagnosis
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
tachycardia (2) Atrial ... (3) SVTs - atrial ... (3) Multifocal atrial ... bradyarrhythmia #ECG ... #EKG #diagnosis
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
- Differential ... Infectious • Bacterial ... Cirrhosis • Thrombus ... (e.g. ... Myeloproliferative disorders (eg
Causes of Ischemic Stroke - Differential Diagnosis Framework
Important to determine and treat the etiology behind because
Causes of Ischemic ... • Arrhythmias: Afib ... Structural: myxoma, thrombus ... Non-atherosclerotic: Arterial ... #Diagnosis #causes
Mesenteric Ischemia - Differential Diagnostic Schema
Chronic: ASCVD, Venous, Vasculitides 5% (PAN, [E]GPA, IgA, MPA)
Acute
 - Venous
Diagnostic Schema ... least common): Thrombus ... inflammation (e.g ... pancreatitis) - Arterial ... - Thrombus
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
oxygen dissolved in arterial ... hemoglobin in arterial ... oxygen content of arterial ... stagnant hypoxia (e.g ... #diagnosis #causes
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... Paroxysmal AF, atrial ... flutter, or atrial ... • Multifocal atrial ... Valvular disease (e.g
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Diagnosis Framework ... High altitude (eg ... Intrapulmonary shunting (eg ... intracardiac shunting (eg ... , atrial or ventricular
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
- Differential ... by excretion (e.g ... its metabolism (e.g ... ’s • Reduced Arterial ... #Diagnosis #causes
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
to one factor e.g ... e.g. heparin ... inhibitory drugs e.g ... . direct thrombin ... #diagnosis #differential