11 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... 3 different P wave ... • Oxygen • Treatment ... Tachycardia #MAT #Cardiology ... #EKG #Management
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
- hyperacute T waves ... than QRS - deWinter ... T waves - starts ... stenosis - U wave ... electrocardiogram #cardiology
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
J point • De Winter ... symmetrical T-waves ... deviation) • Acute ischemia ... #EKG #diagnosis ... #differential #cardiology
Cardiac Amyloid - Diagnosis, Signs, Symptoms and Management

Clinical Presentation
- exertional dyspnea
- peripheral edema
- exertional syncope
- peripheral
Cardiac Amyloid ... despite hx HTN) EKG ... pseudoinfarct pattern (Q-waves ... precordial leads) - atrial ... Signs #Symptoms #Cardiology
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
other causes of cardio-pulmonary ... also a result of atrial ... • Dominant R Wave ... leads) RV Ischemia ... AcutePE #diagnosis #cardiology
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
Intraoperative Cardiac ... depression • T wave ... Consider invasive arterial ... consultation with cardiology ... Checklist #Diagnosis #Management
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
non-conducted P wave ... Brady Management ... Non-conducted P waves ... P and QRS • Atrial ... #cardiology
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
manifestation of cardiac ... No associated P-wave ... , and the T-wave ... more intensive treatment ... #differential #cardiology
Atrial Fibrillation (A-Fib) Summary

Symptoms:
• Palpitations, light-headedness, dizziness, dyspnea, exercise intolerance, chest pain, near-syncope, syncope.

Why?
Cardiac:
	• Valvular heart
Cardiac: • Valvular ... Decompensated HF • New ischemia ... • Absence of P waves ... AFib #diagnosis #management ... #cardiology
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
/crush injury, ischemia ... - ↓ Effective arterial ... bradycardia → sine wave ... line, stabilizes cardiac ... ileus/obstruction (ischemia