23 results
Acute Coronary Syndrome (ACS) Definitions - Stable Angina, Unstable Angina, NSTEMI, STEMI
1 STABLE ANGINA - Angina
Coronary Syndrome (ACS ... is reflected by ECG ... #Diagnosis #Cardiology ... #ACS #Unstable ... Text: The Only EKG
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... 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 ... abnormal hemoglobin (e.g ... cannot use oxygen (e.g ... #diagnosis #causes
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
EKG in Acute Pulmonary ... EKG is helpful in ... other causes of cardio-pulmonary ... #EKG #Pulmonary ... Embolism #AcutePE #diagnosis
Myocardial Injury Classification
Chronic myocardial injury: Chronic heart failure, Cardiomyopathy, Hypertension, CKD/ESRD
Acute nonischemic myocardial injury:
 - Primary
illness, Sepsis, Pulmonary ... Respiratory failure with hypoxia ... Classification #diagnosis ... #cardiology #troponemia ... #NSTEMI
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... injury from pericardial ... aVR • Classic EKG ... #AVR #leadAVR #ecg ... #ekg #differential
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
coma - Pulm: Hypoxia ... have fever - ACS ... limb ischemia, bowel ... unless worrisome EKG ... Syndrome #TLS #diagnosis
Approach to the Hypercoagulable State
Arterial thromboembolism
→ Cardiac rhythm monitoring, Echocardiogram, Vascular imaging
→ Test for APS, particularly
thromboembolism → Cardiac ... • Provoked (e.g ... Hypercoagulable #Workup #hematology ... #diagnosis #algorithm ... #hematology #VTE
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
- Differential Diagnosis ... lack of acute cardiac ... level <100 pg/ml EKG ... edema • Bowel ... #cardiology
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
Polycythemia Differential Diagnosis ... : Cardiac/pulmonary ... Paraneoplastic (e.g ... #Differential #Diagnosis ... #Algorithm #hematology