11 results
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
/purpura with fever ... /purpura with fever ... or purpuric rash ... vasculitis, such as autoimmune ... #Purpuric #Rash
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Rash - Differential ... Red Flags: • Fever ... : - Autoimmune ... cryoglobulins • Skin ... #Petechiae #Rash
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
or absence of fever ... If fever is present ... includes Kawasaki disease ... , scarlet fever, ... #Febrile #Fever
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
known as rat bite fever ... or Haverhill fever ... infectiosum • Fever ... acute rheumatic fever ... #differential #
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
erythroderma, petechiae ... instability - New-onset fever ... sulfa-drug - Skin ... #Dermatology #Rash ... #Differential #
Bradycardia - Differential Diagnosis Framework

BRADI Mnemonic
 • BRASH/Hyperkalemia
 • Reduced oxygen/Glucose/Temp
 • ACS
 • Drugs
 •
Diptheria • Typhoid fever ... Acute rheumatic fever ... Psittacosis • Q fever ... • Yellow fever ... Trichinosis Autoimmune
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
weight loss, and fever ... 3rd Decade Skin ... permanent alopecia Differential ... • Non-autoimmune ... to: Arthritis, Fever
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
regurgitation • Autoimmune ... night sweats, fever ... hemorrhages • Petechiae ... Marantic (NTBE) Differential ... diagnosis #management #cardiology
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
or family - Ever ... Pulmonary exam - Skin ... event, follow ACC algorithm ... Cataract Plan for Meds ... one post op Cardiology
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
- Overview and Differential ... regurgitation • Autoimmune ... night sweats, fever ... hemorrhages • Petechiae ... #Diagnosis #cardiology